31700413 has 8 divisors (see below), whose sum is σ = 32617728. Its totient is φ = 30795024.

The previous prime is 31700411. The next prime is 31700423. The reversal of 31700413 is 31400713.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31700413 - 2¹ = 31700411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31700411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2556 + ... + 8362.

It is an arithmetic number, because the mean of its divisors is an integer number (4077216).

Almost surely, 2^31700413 is an apocalyptic number.

It is an amenable number.

31700413 is a deficient number, since it is larger than the sum of its proper divisors (917315).

31700413 is a wasteful number, since it uses less digits than its factorization.

31700413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5963.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 31700413 is about 5630.3119806988. The cubic root of 31700413 is about 316.4863425180.

It can be divided in two parts, 3 and 1700413, that added together give a square (1700416 = 1304²).

The spelling of 31700413 in words is "thirty-one million, seven hundred thousand, four hundred thirteen".