31932113 has 2 divisors, whose sum is σ = 31932114. Its totient is φ = 31932112.

The previous prime is 31932083. The next prime is 31932127. The reversal of 31932113 is 31123913.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28121809 + 3810304 = 5303^2 + 1952^2 .

It is a cyclic number.

It is not a de Polignac number, because 31932113 - 2⁶ = 31932049 is a prime.

It is not a weakly prime, because it can be changed into another prime (31932413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15966056 + 15966057.

It is an arithmetic number, because the mean of its divisors is an integer number (15966057).

Almost surely, 2^31932113 is an apocalyptic number.

It is an amenable number.

31932113 is a deficient number, since it is larger than the sum of its proper divisors (1).

31932113 is an equidigital number, since it uses as much as digits as its factorization.

31932113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486, while the sum is 23.

The square root of 31932113 is about 5650.8506439296. The cubic root of 31932113 is about 317.2555433289.

The spelling of 31932113 in words is "thirty-one million, nine hundred thirty-two thousand, one hundred thirteen".