31875795373 has 2 divisors, whose sum is σ = 31875795374. Its totient is φ = 31875795372.

The previous prime is 31875795361. The next prime is 31875795383. The reversal of 31875795373 is 37359757813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18102895209 + 13772900164 = 134547^2 + 117358^2 .

It is a cyclic number.

It is not a de Polignac number, because 31875795373 - 2³³ = 23285860781 is a prime.

It is a super-2 number, since 2×31875795373² (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 (31875795383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15937897686 + 15937897687.

It is an arithmetic number, because the mean of its divisors is an integer number (15937897687).

Almost surely, 2^31875795373 is an apocalyptic number.

It is an amenable number.

31875795373 is a deficient number, since it is larger than the sum of its proper divisors (1).

31875795373 is an equidigital number, since it uses as much as digits as its factorization.

31875795373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16669800, while the sum is 58.

The spelling of 31875795373 in words is "thirty-one billion, eight hundred seventy-five million, seven hundred ninety-five thousand, three hundred seventy-three".