30431031604 has 12 divisors (see below), whose sum is σ = 53306471428. Its totient is φ = 15200611200.

The previous prime is 30431031599. The next prime is 30431031607. The reversal of 30431031604 is 40613013403.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7089303204 + 23341728400 = 84198^2 + 152780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30431031607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3721557 + ... + 3729724.

Almost surely, 2^30431031604 is an apocalyptic number.

It is an amenable number.

30431031604 is a deficient number, since it is larger than the sum of its proper divisors (22875439824).

30431031604 is a wasteful number, since it uses less digits than its factorization.

30431031604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7452306 (or 7452304 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The spelling of 30431031604 in words is "thirty billion, four hundred thirty-one million, thirty-one thousand, six hundred four".