31312332330123 has 32 divisors (see below), whose sum is σ = 45629128258560. Its totient is φ = 18983326078080.

The previous prime is 31312332330119. The next prime is 31312332330137. The reversal of 31312332330123 is 32103323321313.

It is not a de Polignac number, because 31312332330123 - 2² = 31312332330119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31312332330113) 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, 634336 + ... + 7938957.

It is an arithmetic number, because the mean of its divisors is an integer number (1425910258080).

Almost surely, 2^{31312332330123} is an apocalyptic number.

31312332330123 is a deficient number, since it is larger than the sum of its proper divisors (14316795928437).

31312332330123 is a wasteful number, since it uses less digits than its factorization.

31312332330123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8574699.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 31312332330123 its reverse (32103323321313), we get a palindrome (63415655651436).

The spelling of 31312332330123 in words is "thirty-one trillion, three hundred twelve billion, three hundred thirty-two million, three hundred thirty thousand, one hundred twenty-three".