31265093 has 2 divisors, whose sum is σ = 31265094. Its totient is φ = 31265092.

The previous prime is 31265041. The next prime is 31265099. The reversal of 31265093 is 39056213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26863489 + 4401604 = 5183^2 + 2098^2 .

It is a cyclic number.

It is not a de Polignac number, because 31265093 - 2⁶ = 31265029 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31265099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15632546 + 15632547.

It is an arithmetic number, because the mean of its divisors is an integer number (15632547).

Almost surely, 2^31265093 is an apocalyptic number.

It is an amenable number.

31265093 is a deficient number, since it is larger than the sum of its proper divisors (1).

31265093 is an equidigital number, since it uses as much as digits as its factorization.

31265093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 31265093 is about 5591.5197397488. The cubic root of 31265093 is about 315.0309636145.

The spelling of 31265093 in words is "thirty-one million, two hundred sixty-five thousand, ninety-three".