31114493 has 2 divisors, whose sum is σ = 31114494. Its totient is φ = 31114492.

The previous prime is 31114487. The next prime is 31114507. The reversal of 31114493 is 39441113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28111204 + 3003289 = 5302^2 + 1733^2 .

It is a cyclic number.

It is not a de Polignac number, because 31114493 - 2⁶ = 31114429 is a prime.

It is a super-2 number, since 2×31114493² = 1936223349294098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31114093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15557246 + 15557247.

It is an arithmetic number, because the mean of its divisors is an integer number (15557247).

Almost surely, 2^31114493 is an apocalyptic number.

It is an amenable number.

31114493 is a deficient number, since it is larger than the sum of its proper divisors (1).

31114493 is an equidigital number, since it uses as much as digits as its factorization.

31114493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 31114493 is about 5578.0366617655. The cubic root of 31114493 is about 314.5243278345.

The spelling of 31114493 in words is "thirty-one million, one hundred fourteen thousand, four hundred ninety-three".