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123011332030331 = 13915710391542467
BaseRepresentation
bin11011111110000011001110…
…101111111011111101111011
3121010112202202020021002121122
4123332003032233323331323
5112110404201444432311
61113342343101055455
734624163324126453
oct3376031657737573
9533482666232548
10123011332030331
11362168a403a008
121196850625758b
135383bc38b8164
142253accd86d63
15e34c18b730db
hex6fe0cebfbf7b

123011332030331 has 16 divisors (see below), whose sum is σ = 124697683326720. Its totient is φ = 121336581618720.

The previous prime is 123011332030297. The next prime is 123011332030361. The reversal of 123011332030331 is 133030233110321.

It is a cyclic number.

It is not a de Polignac number, because 123011332030331 - 26 = 123011332030267 is a prime.

It is a super-2 number, since 2×1230113320303312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123011332030331.

It is not an unprimeable number, because it can be changed into a prime (123011332030361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226491560 + ... + 227034026.

It is an arithmetic number, because the mean of its divisors is an integer number (7793605207920).

Almost surely, 2123011332030331 is an apocalyptic number.

123011332030331 is a deficient number, since it is larger than the sum of its proper divisors (1686351296389).

123011332030331 is a wasteful number, since it uses less digits than its factorization.

123011332030331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553154.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 123011332030331 its reverse (133030233110321), we get a palindrome (256041565140652).

The spelling of 123011332030331 in words is "one hundred twenty-three trillion, eleven billion, three hundred thirty-two million, thirty thousand, three hundred thirty-one".

Divisors: 1 139 157 10391 21823 542467 1444349 1631387 75402913 85167319 226762793 5636774597 11838257341 783511668983 884973611729 123011332030331