231310330102 has 32 divisors (see below), whose sum is σ = 386930898432. Its totient is φ = 103146113664.

The previous prime is 231310330037. The next prime is 231310330109. The reversal of 231310330102 is 201033013132.

It is a self number, because there is not a number n which added to its sum of digits gives 231310330102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231310330109) 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, 1298538 + ... + 1465885.

It is an arithmetic number, because the mean of its divisors is an integer number (12091590576).

Almost surely, 2^231310330102 is an apocalyptic number.

231310330102 is a deficient number, since it is larger than the sum of its proper divisors (155620568330).

231310330102 is a wasteful number, since it uses less digits than its factorization.

231310330102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764572.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 231310330102 its reverse (201033013132), we get a palindrome (432343343234).

The spelling of 231310330102 in words is "two hundred thirty-one billion, three hundred ten million, three hundred thirty thousand, one hundred two".