31320300007 has 2 divisors, whose sum is σ = 31320300008. Its totient is φ = 31320300006.

The previous prime is 31320299993. The next prime is 31320300031. The reversal of 31320300007 is 70000302313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31320300007 - 2¹¹ = 31320297959 is a prime.

It is a super-2 number, since 2×31320300007² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31320300097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15660150003 + 15660150004.

It is an arithmetic number, because the mean of its divisors is an integer number (15660150004).

Almost surely, 2^31320300007 is an apocalyptic number.

31320300007 is a deficient number, since it is larger than the sum of its proper divisors (1).

31320300007 is an equidigital number, since it uses as much as digits as its factorization.

31320300007 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 31320300007 in words is "thirty-one billion, three hundred twenty million, three hundred thousand, seven".