231081027115232 has 96 divisors (see below), whose sum is σ = 520595626424832. Its totient is φ = 98908394863104.

The previous prime is 231081027115199. The next prime is 231081027115261. The reversal of 231081027115232 is 232511720180132.

It is a happy number.

It is a congruent number.

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, 4460739443 + ... + 4460791245.

It is an arithmetic number, because the mean of its divisors is an integer number (5422871108592).

Almost surely, 2^{231081027115232} is an apocalyptic number.

It is an amenable number.

231081027115232 is an abundant number, since it is smaller than the sum of its proper divisors (289514599309600).

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

231081027115232 is a wasteful number, since it uses less digits than its factorization.

231081027115232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76840 (or 76832 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

Adding to 231081027115232 its reverse (232511720180132), we get a palindrome (463592747295364).

The spelling of 231081027115232 in words is "two hundred thirty-one trillion, eighty-one billion, twenty-seven million, one hundred fifteen thousand, two hundred thirty-two".