31331214023 has 2 divisors, whose sum is σ = 31331214024. Its totient is φ = 31331214022.

The previous prime is 31331214017. The next prime is 31331214029. The reversal of 31331214023 is 32041213313.

It is a balanced prime because it is at equal distance from previous prime (31331214017) and next prime (31331214029).

It is a cyclic number.

It is not a de Polignac number, because 31331214023 - 2⁴ = 31331214007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31331214023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31331214029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15665607011 + 15665607012.

It is an arithmetic number, because the mean of its divisors is an integer number (15665607012).

Almost surely, 2^31331214023 is an apocalyptic number.

31331214023 is a deficient number, since it is larger than the sum of its proper divisors (1).

31331214023 is an equidigital number, since it uses as much as digits as its factorization.

31331214023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31331214023 its reverse (32041213313), we get a palindrome (63372427336).

The spelling of 31331214023 in words is "thirty-one billion, three hundred thirty-one million, two hundred fourteen thousand, twenty-three".