30402031012 has 12 divisors (see below), whose sum is σ = 53207320320. Its totient is φ = 15199939496.

The previous prime is 30402030983. The next prime is 30402031027. The reversal of 30402031012 is 21013020403.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203668 + ... + 319819.

It is an arithmetic number, because the mean of its divisors is an integer number (4433943360).

Almost surely, 2^30402031012 is an apocalyptic number.

It is an amenable number.

30402031012 is a deficient number, since it is larger than the sum of its proper divisors (22805289308).

30402031012 is a wasteful number, since it uses less digits than its factorization.

30402031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538010 (or 538008 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30402031012 its reverse (21013020403), we get a palindrome (51415051415).

The spelling of 30402031012 in words is "thirty billion, four hundred two million, thirty-one thousand, twelve".