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231000230122312 = 2377436617983891
BaseRepresentation
bin110100100001011111101110…
…101010001101001101001000
31010021220101222012202200000011
4310201133232222031031020
5220234201432402403222
62135144012443321304
766441134021535430
oct6441375652151510
91107811865680004
10231000230122312
1167670713816622
1221aa9485820234
139bb82c75697c1
144108683bdb2c0
151ba8ca58d8c77
hexd217eea8d348

231000230122312 has 64 divisors (see below), whose sum is σ = 495680110156800. Its totient is φ = 98864182455360.

The previous prime is 231000230122307. The next prime is 231000230122367. The reversal of 231000230122312 is 213221032000132.

231000230122312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2310002301223122 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2753533887 + ... + 2753617777.

It is an arithmetic number, because the mean of its divisors is an integer number (7745001721200).

Almost surely, 2231000230122312 is an apocalyptic number.

It is an amenable number.

231000230122312 is an abundant number, since it is smaller than the sum of its proper divisors (264679880034488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231000230122312 is a wasteful number, since it uses less digits than its factorization.

231000230122312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150826 (or 150822 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 231000230122312 its reverse (213221032000132), we get a palindrome (444221262122444).

The spelling of 231000230122312 in words is "two hundred thirty-one trillion, two hundred thirty million, one hundred twenty-two thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 743 1486 2972 5201 5944 10402 20804 41608 66179 83891 132358 167782 264716 335564 463253 529432 587237 671128 926506 1174474 1853012 2348948 3706024 4697896 49170997 62331013 98341994 124662026 196683988 249324052 344196979 393367976 436317091 498648104 688393958 872634182 1376787916 1745268364 2753575832 3490536728 5551822489 11103644978 22207289956 38862757423 44414579912 77725514846 155451029692 310902059384 4125004109327 8250008218654 16500016437308 28875028765289 33000032874616 57750057530578 115500115061156 231000230122312