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231333130301 = 71323739149563
BaseRepresentation
bin1101011101110010000…
…1110111000000111101
3211010010000002121211212
43113130201313000331
512242232240132201
6254134543454205
722466436110060
oct3273441670075
9733100077755
10231333130301
118a120580809
1238a00bb7365
1318a7894bc70
14b2a75d28d7
15603e134abb
hex35dc87703d

231333130301 has 32 divisors (see below), whose sum is σ = 297500743680. Its totient is φ = 174836781504.

The previous prime is 231333130289. The next prime is 231333130351. The reversal of 231333130301 is 103031333132.

It is not a de Polignac number, because 231333130301 - 214 = 231333113917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231333130351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1471946 + ... + 1621508.

It is an arithmetic number, because the mean of its divisors is an integer number (9296898240).

Almost surely, 2231333130301 is an apocalyptic number.

It is an amenable number.

231333130301 is a deficient number, since it is larger than the sum of its proper divisors (66167613379).

231333130301 is a wasteful number, since it uses less digits than its factorization.

231333130301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150345.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 231333130301 its reverse (103031333132), we get a palindrome (334364463433).

The spelling of 231333130301 in words is "two hundred thirty-one billion, three hundred thirty-three million, one hundred thirty thousand, three hundred one".

Divisors: 1 7 13 23 91 161 299 739 2093 5173 9607 16997 67249 118979 149563 220961 1046941 1546727 1944319 3439949 13610233 24079643 44719337 110527057 313035359 773689399 1436851741 2542122311 10057962187 17794856177 33047590043 231333130301