31330213007 has 8 divisors (see below), whose sum is σ = 31416499392. Its totient is φ = 31243968000.

The previous prime is 31330212997. The next prime is 31330213027. The reversal of 31330213007 is 70031203313.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31330213007 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 (31330213027) 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, 2064407 + ... + 2079527.

It is an arithmetic number, because the mean of its divisors is an integer number (3927062424).

Almost surely, 2^31330213007 is an apocalyptic number.

31330213007 is a deficient number, since it is larger than the sum of its proper divisors (86286385).

31330213007 is a wasteful number, since it uses less digits than its factorization.

31330213007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20689.

The product of its (nonzero) digits is 1134, while the sum is 23.

The spelling of 31330213007 in words is "thirty-one billion, three hundred thirty million, two hundred thirteen thousand, seven".