30002131007 has 2 divisors, whose sum is σ = 30002131008. Its totient is φ = 30002131006.

The previous prime is 30002131001. The next prime is 30002131037. The reversal of 30002131007 is 70013120003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30002131007 - 2¹² = 30002126911 is a prime.

It is a super-2 number, since 2×30002131007² (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 (30002131001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15001065503 + 15001065504.

It is an arithmetic number, because the mean of its divisors is an integer number (15001065504).

Almost surely, 2^30002131007 is an apocalyptic number.

30002131007 is a deficient number, since it is larger than the sum of its proper divisors (1).

30002131007 is an equidigital number, since it uses as much as digits as its factorization.

30002131007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 17.

The spelling of 30002131007 in words is "thirty billion, two million, one hundred thirty-one thousand, seven".