31325093 has 2 divisors, whose sum is σ = 31325094. Its totient is φ = 31325092.

The previous prime is 31325071. The next prime is 31325117. The reversal of 31325093 is 39052313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23833924 + 7491169 = 4882^2 + 2737^2 .

It is a cyclic number.

It is not a de Polignac number, because 31325093 - 2⁸ = 31324837 is a prime.

It is a super-2 number, since 2×31325093² = 1962522902917298, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31315093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15662546 + 15662547.

It is an arithmetic number, because the mean of its divisors is an integer number (15662547).

Almost surely, 2^31325093 is an apocalyptic number.

It is an amenable number.

31325093 is a deficient number, since it is larger than the sum of its proper divisors (1).

31325093 is an equidigital number, since it uses as much as digits as its factorization.

31325093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 31325093 is about 5596.8824357851. The cubic root of 31325093 is about 315.2323573259.

The spelling of 31325093 in words is "thirty-one million, three hundred twenty-five thousand, ninety-three".