31320003007 has 2 divisors, whose sum is σ = 31320003008. Its totient is φ = 31320003006.

The previous prime is 31320002999. The next prime is 31320003041. The reversal of 31320003007 is 70030002313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31320003007 - 2³ = 31320002999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31320003067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15660001503 + 15660001504.

It is an arithmetic number, because the mean of its divisors is an integer number (15660001504).

Almost surely, 2^31320003007 is an apocalyptic number.

31320003007 is a deficient number, since it is larger than the sum of its proper divisors (1).

31320003007 is an equidigital number, since it uses as much as digits as its factorization.

31320003007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 19.

The spelling of 31320003007 in words is "thirty-one billion, three hundred twenty million, three thousand, seven".