31234120499 has 2 divisors, whose sum is σ = 31234120500. Its totient is φ = 31234120498.

The previous prime is 31234120493. The next prime is 31234120513. The reversal of 31234120499 is 99402143213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31234120499 - 2⁸ = 31234120243 is a prime.

It is not a weakly prime, because it can be changed into another prime (31234120493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15617060249 + 15617060250.

It is an arithmetic number, because the mean of its divisors is an integer number (15617060250).

Almost surely, 2^31234120499 is an apocalyptic number.

31234120499 is a deficient number, since it is larger than the sum of its proper divisors (1).

31234120499 is an equidigital number, since it uses as much as digits as its factorization.

31234120499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 31234120499 in words is "thirty-one billion, two hundred thirty-four million, one hundred twenty thousand, four hundred ninety-nine".