31033130111323 has 2 divisors, whose sum is σ = 31033130111324. Its totient is φ = 31033130111322.

The previous prime is 31033130111299. The next prime is 31033130111371. The reversal of 31033130111323 is 32311103133013.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31033130111323 is a prime.

It is not a weakly prime, because it can be changed into another prime (31033130111383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15516565055661 + 15516565055662.

It is an arithmetic number, because the mean of its divisors is an integer number (15516565055662).

Almost surely, 2^{31033130111323} is an apocalyptic number.

31033130111323 is a deficient number, since it is larger than the sum of its proper divisors (1).

31033130111323 is an equidigital number, since it uses as much as digits as its factorization.

31033130111323 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 31033130111323 its reverse (32311103133013), we get a palindrome (63344233244336).

The spelling of 31033130111323 in words is "thirty-one trillion, thirty-three billion, one hundred thirty million, one hundred eleven thousand, three hundred twenty-three".