31712254823 has 2 divisors, whose sum is σ = 31712254824. Its totient is φ = 31712254822.

The previous prime is 31712254759. The next prime is 31712254837. The reversal of 31712254823 is 32845221713.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31712254823 - 2⁶ = 31712254759 is a prime.

It is a super-2 number, since 2×31712254823² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31712259823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15856127411 + 15856127412.

It is an arithmetic number, because the mean of its divisors is an integer number (15856127412).

Almost surely, 2^31712254823 is an apocalyptic number.

31712254823 is a deficient number, since it is larger than the sum of its proper divisors (1).

31712254823 is an equidigital number, since it uses as much as digits as its factorization.

31712254823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 38.

The spelling of 31712254823 in words is "thirty-one billion, seven hundred twelve million, two hundred fifty-four thousand, eight hundred twenty-three".