31311313010323 has 2 divisors, whose sum is σ = 31311313010324. Its totient is φ = 31311313010322.

The previous prime is 31311313010303. The next prime is 31311313010347. The reversal of 31311313010323 is 32301031311313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31311313010323 is a prime.

It is not a weakly prime, because it can be changed into another prime (31311313010303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15655656505161 + 15655656505162.

It is an arithmetic number, because the mean of its divisors is an integer number (15655656505162).

Almost surely, 2^{31311313010323} is an apocalyptic number.

31311313010323 is a deficient number, since it is larger than the sum of its proper divisors (1).

31311313010323 is an equidigital number, since it uses as much as digits as its factorization.

31311313010323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 31311313010323 its reverse (32301031311313), we get a palindrome (63612344321636).

The spelling of 31311313010323 in words is "thirty-one trillion, three hundred eleven billion, three hundred thirteen million, ten thousand, three hundred twenty-three".