31120978022 has 8 divisors (see below), whose sum is σ = 49427435736. Its totient is φ = 14645166112.

The previous prime is 31120978019. The next prime is 31120978033. The reversal of 31120978022 is 22087902113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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, 457661408 + ... + 457661475.

It is an arithmetic number, because the mean of its divisors is an integer number (6178429467).

Almost surely, 2^31120978022 is an apocalyptic number.

31120978022 is a deficient number, since it is larger than the sum of its proper divisors (18306457714).

31120978022 is a wasteful number, since it uses less digits than its factorization.

31120978022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915322902.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 31120978022 in words is "thirty-one billion, one hundred twenty million, nine hundred seventy-eight thousand, twenty-two".