30404301931 has 2 divisors, whose sum is σ = 30404301932. Its totient is φ = 30404301930.

The previous prime is 30404301929. The next prime is 30404301937. The reversal of 30404301931 is 13910340403.

It is a weak prime.

It is an emirp because it is prime and its reverse (13910340403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30404301931 - 2¹ = 30404301929 is a prime.

It is a super-2 number, since 2×30404301931² (a number of 22 digits) contains 22 as substring.

Together with 30404301929, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30404301931.

It is not a weakly prime, because it can be changed into another prime (30404301937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15202150965 + 15202150966.

It is an arithmetic number, because the mean of its divisors is an integer number (15202150966).

Almost surely, 2^30404301931 is an apocalyptic number.

30404301931 is a deficient number, since it is larger than the sum of its proper divisors (1).

30404301931 is an equidigital number, since it uses as much as digits as its factorization.

30404301931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 30404301931 in words is "thirty billion, four hundred four million, three hundred one thousand, nine hundred thirty-one".