31316007 has 8 divisors (see below), whose sum is σ = 42005376. Its totient is φ = 20751992.

The previous prime is 31316003. The next prime is 31316039. The reversal of 31316007 is 70061313.

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 31316007 - 2² = 31316003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31316003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30753 + ... + 31754.

It is an arithmetic number, because the mean of its divisors is an integer number (5250672).

Almost surely, 2^31316007 is an apocalyptic number.

31316007 is a deficient number, since it is larger than the sum of its proper divisors (10689369).

31316007 is a wasteful number, since it uses less digits than its factorization.

31316007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62677.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 31316007 is about 5596.0706750362. The cubic root of 31316007 is about 315.2018761376.

The spelling of 31316007 in words is "thirty-one million, three hundred sixteen thousand, seven".