31102011323 has 2 divisors, whose sum is σ = 31102011324. Its totient is φ = 31102011322.

The previous prime is 31102011313. The next prime is 31102011341. The reversal of 31102011323 is 32311020113.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31102011323 is a prime.

It is not a weakly prime, because it can be changed into another prime (31102011313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15551005661 + 15551005662.

It is an arithmetic number, because the mean of its divisors is an integer number (15551005662).

Almost surely, 2^31102011323 is an apocalyptic number.

31102011323 is a deficient number, since it is larger than the sum of its proper divisors (1).

31102011323 is an equidigital number, since it uses as much as digits as its factorization.

31102011323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31102011323 its reverse (32311020113), we get a palindrome (63413031436).

The spelling of 31102011323 in words is "thirty-one billion, one hundred two million, eleven thousand, three hundred twenty-three".