30972220402 has 16 divisors (see below), whose sum is σ = 46780664832. Its totient is φ = 15378940480.

The previous prime is 30972220379. The next prime is 30972220439. The reversal of 30972220402 is 20402227903.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 158163 + ... + 294889.

It is an arithmetic number, because the mean of its divisors is an integer number (2923791552).

Almost surely, 2^30972220402 is an apocalyptic number.

30972220402 is a deficient number, since it is larger than the sum of its proper divisors (15808444430).

30972220402 is a wasteful number, since it uses less digits than its factorization.

30972220402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137513.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 30972220402 in words is "thirty billion, nine hundred seventy-two million, two hundred twenty thousand, four hundred two".