31314713 has 2 divisors, whose sum is σ = 31314714. Its totient is φ = 31314712.

The previous prime is 31314709. The next prime is 31314757. The reversal of 31314713 is 31741313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17572864 + 13741849 = 4192^2 + 3707^2 .

It is a cyclic number.

It is not a de Polignac number, because 31314713 - 2² = 31314709 is a prime.

It is a super-2 number, since 2×31314713² = 1961222500544738, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (31314013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15657356 + 15657357.

It is an arithmetic number, because the mean of its divisors is an integer number (15657357).

Almost surely, 2^31314713 is an apocalyptic number.

It is an amenable number.

31314713 is a deficient number, since it is larger than the sum of its proper divisors (1).

31314713 is an equidigital number, since it uses as much as digits as its factorization.

31314713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 23.

The square root of 31314713 is about 5595.9550570032. The cubic root of 31314713 is about 315.1975346215.

The spelling of 31314713 in words is "thirty-one million, three hundred fourteen thousand, seven hundred thirteen".