31114507 has 2 divisors, whose sum is σ = 31114508. Its totient is φ = 31114506.

The previous prime is 31114493. The next prime is 31114511. The reversal of 31114507 is 70541113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31114507 - 2⁷ = 31114379 is a prime.

It is a super-2 number, since 2×31114507² = 1936225091706098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31114597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15557253 + 15557254.

It is an arithmetic number, because the mean of its divisors is an integer number (15557254).

Almost surely, 2^31114507 is an apocalyptic number.

31114507 is a deficient number, since it is larger than the sum of its proper divisors (1).

31114507 is an equidigital number, since it uses as much as digits as its factorization.

31114507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 31114507 is about 5578.0379166872. The cubic root of 31114507 is about 314.5243750080.

The spelling of 31114507 in words is "thirty-one million, one hundred fourteen thousand, five hundred seven".