31234010113 has 2 divisors, whose sum is σ = 31234010114. Its totient is φ = 31234010112.

The previous prime is 31234010107. The next prime is 31234010201. The reversal of 31234010113 is 31101043213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30299668624 + 934341489 = 174068^2 + 30567^2 .

It is a cyclic number.

It is not a de Polignac number, because 31234010113 - 2²⁹ = 30697139201 is a prime.

It is not a weakly prime, because it can be changed into another prime (31234010513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15617005056 + 15617005057.

It is an arithmetic number, because the mean of its divisors is an integer number (15617005057).

Almost surely, 2^31234010113 is an apocalyptic number.

It is an amenable number.

31234010113 is a deficient number, since it is larger than the sum of its proper divisors (1).

31234010113 is an equidigital number, since it uses as much as digits as its factorization.

31234010113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31234010113 its reverse (31101043213), we get a palindrome (62335053326).

The spelling of 31234010113 in words is "thirty-one billion, two hundred thirty-four million, ten thousand, one hundred thirteen".