31125074923 has 2 divisors, whose sum is σ = 31125074924. Its totient is φ = 31125074922.

The previous prime is 31125074891. The next prime is 31125074947. The reversal of 31125074923 is 32947052113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31125074923 - 2⁵ = 31125074891 is a prime.

It is not a weakly prime, because it can be changed into another prime (31125074993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15562537461 + 15562537462.

It is an arithmetic number, because the mean of its divisors is an integer number (15562537462).

Almost surely, 2^31125074923 is an apocalyptic number.

31125074923 is a deficient number, since it is larger than the sum of its proper divisors (1).

31125074923 is an equidigital number, since it uses as much as digits as its factorization.

31125074923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 31125074923 in words is "thirty-one billion, one hundred twenty-five million, seventy-four thousand, nine hundred twenty-three".