31014013 has 2 divisors, whose sum is σ = 31014014. Its totient is φ = 31014012.

The previous prime is 31013993. The next prime is 31014017. The reversal of 31014013 is 31041013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30669444 + 344569 = 5538^2 + 587^2 .

It is a cyclic number.

It is not a de Polignac number, because 31014013 - 2⁹ = 31013501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31013984 and 31014002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31014017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15507006 + 15507007.

It is an arithmetic number, because the mean of its divisors is an integer number (15507007).

Almost surely, 2^31014013 is an apocalyptic number.

It is an amenable number.

31014013 is a deficient number, since it is larger than the sum of its proper divisors (1).

31014013 is an equidigital number, since it uses as much as digits as its factorization.

31014013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 31014013 is about 5569.0226252009. The cubic root of 31014013 is about 314.1853916218.

Adding to 31014013 its reverse (31041013), we get a palindrome (62055026).

Subtracting 31014013 from its reverse (31041013), we obtain a cube (27000 = 30³).

The spelling of 31014013 in words is "thirty-one million, fourteen thousand, thirteen".