31534012999 has 2 divisors, whose sum is σ = 31534013000. Its totient is φ = 31534012998.

The previous prime is 31534012957. The next prime is 31534013041. The reversal of 31534012999 is 99921043513.

It is a balanced prime because it is at equal distance from previous prime (31534012957) and next prime (31534013041).

It is a cyclic number.

It is not a de Polignac number, because 31534012999 - 2¹¹ = 31534010951 is a prime.

It is a super-2 number, since 2×31534012999² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31534013999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15767006499 + 15767006500.

It is an arithmetic number, because the mean of its divisors is an integer number (15767006500).

Almost surely, 2^31534012999 is an apocalyptic number.

31534012999 is a deficient number, since it is larger than the sum of its proper divisors (1).

31534012999 is an equidigital number, since it uses as much as digits as its factorization.

31534012999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 46.

The spelling of 31534012999 in words is "thirty-one billion, five hundred thirty-four million, twelve thousand, nine hundred ninety-nine".