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231032201013 = 32191351065503
BaseRepresentation
bin1101011100101010010…
…1111001111100110101
3211002100000211211110200
43113022211321330311
512241123220413023
6254045033511113
722456123210155
oct3271245717465
9732300754420
10231032201013
1189a86722119
1238938272499
1318a2b4b71b3
14b27965a765
1560229e0743
hex35ca979f35

231032201013 has 12 divisors (see below), whose sum is σ = 351277031040. Its totient is φ = 145915074216.

The previous prime is 231032200981. The next prime is 231032201021. The reversal of 231032201013 is 310102230132.

It is not a de Polignac number, because 231032201013 - 25 = 231032200981 is a prime.

It is a super-2 number, since 2×2310322010132 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231032251013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 675532581 + ... + 675532922.

It is an arithmetic number, because the mean of its divisors is an integer number (29273085920).

Almost surely, 2231032201013 is an apocalyptic number.

It is an amenable number.

231032201013 is a deficient number, since it is larger than the sum of its proper divisors (120244830027).

231032201013 is a wasteful number, since it uses less digits than its factorization.

231032201013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351065528 (or 1351065525 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 231032201013 its reverse (310102230132), we get a palindrome (541134431145).

The spelling of 231032201013 in words is "two hundred thirty-one billion, thirty-two million, two hundred one thousand, thirteen".

Divisors: 1 3 9 19 57 171 1351065503 4053196509 12159589527 25670244557 77010733671 231032201013