30451022972 has 6 divisors (see below), whose sum is σ = 53289290208. Its totient is φ = 15225511484.

The previous prime is 30451022971. The next prime is 30451022993. The reversal of 30451022972 is 27922015403.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30451022971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3806377868 + ... + 3806377875.

It is an arithmetic number, because the mean of its divisors is an integer number (8881548368).

Almost surely, 2^30451022972 is an apocalyptic number.

It is an amenable number.

30451022972 is a deficient number, since it is larger than the sum of its proper divisors (22838267236).

30451022972 is a wasteful number, since it uses less digits than its factorization.

30451022972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7612755747 (or 7612755745 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 30451022972 in words is "thirty billion, four hundred fifty-one million, twenty-two thousand, nine hundred seventy-two".