231012157310 has 64 divisors (see below), whose sum is σ = 484714549440. Its totient is φ = 78337566720.

The previous prime is 231012157309. The next prime is 231012157331. The reversal of 231012157310 is 13751210132.

231012157310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231012157310² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231012157310.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 362849 + ... + 770508.

It is an arithmetic number, because the mean of its divisors is an integer number (7573664835).

Almost surely, 2^231012157310 is an apocalyptic number.

231012157310 is an abundant number, since it is smaller than the sum of its proper divisors (253702392130).

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

231012157310 is a wasteful number, since it uses less digits than its factorization.

231012157310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133501.

The product of its (nonzero) digits is 1260, while the sum is 26.

Adding to 231012157310 its reverse (13751210132), we get a palindrome (244763367442).

The spelling of 231012157310 in words is "two hundred thirty-one billion, twelve million, one hundred fifty-seven thousand, three hundred ten".