31942795377 has 8 divisors (see below), whose sum is σ = 42591246016. Its totient is φ = 21294770832.

The previous prime is 31942795369. The next prime is 31942795399. The reversal of 31942795377 is 77359724913.

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

It is not a de Polignac number, because 31942795377 - 2³ = 31942795369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31942795327) 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 in 7 ways as a sum of consecutive naturals, for example, 173748 + ... + 306714.

It is an arithmetic number, because the mean of its divisors is an integer number (5323905752).

Almost surely, 2^31942795377 is an apocalyptic number.

It is an amenable number.

31942795377 is a deficient number, since it is larger than the sum of its proper divisors (10648450639).

31942795377 is a wasteful number, since it uses less digits than its factorization.

31942795377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213047.

The product of its digits is 10001880, while the sum is 57.

The spelling of 31942795377 in words is "thirty-one billion, nine hundred forty-two million, seven hundred ninety-five thousand, three hundred seventy-seven".