31416713 has 4 divisors (see below), whose sum is σ = 31590468. Its totient is φ = 31242960.

The previous prime is 31416691. The next prime is 31416761. The reversal of 31416713 is 31761413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31761413 = 23 ⋅1380931.

It can be written as a sum of positive squares in 2 ways, for example, as 190969 + 31225744 = 437^2 + 5588^2 .

It is a cyclic number.

It is not a de Polignac number, because 31416713 - 2¹⁸ = 31154569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31416793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86606 + ... + 86967.

It is an arithmetic number, because the mean of its divisors is an integer number (7897617).

Almost surely, 2^31416713 is an apocalyptic number.

It is an amenable number.

31416713 is a deficient number, since it is larger than the sum of its proper divisors (173755).

31416713 is a wasteful number, since it uses less digits than its factorization.

31416713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173754.

The product of its digits is 1512, while the sum is 26.

The square root of 31416713 is about 5605.0613734374. The cubic root of 31416713 is about 315.5393899499.

The spelling of 31416713 in words is "thirty-one million, four hundred sixteen thousand, seven hundred thirteen".