31941680911 has 12 divisors (see below), whose sum is σ = 37160410368. Its totient is φ = 27375812352.

The previous prime is 31941680879. The next prime is 31941680941. The reversal of 31941680911 is 11908614913.

It is a happy number.

It is not a de Polignac number, because 31941680911 - 2⁵ = 31941680879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31941680941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565810 + ... + 619696.

It is an arithmetic number, because the mean of its divisors is an integer number (3096700864).

Almost surely, 2^31941680911 is an apocalyptic number.

31941680911 is a deficient number, since it is larger than the sum of its proper divisors (5218729457).

31941680911 is a wasteful number, since it uses less digits than its factorization.

31941680911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65998 (or 65991 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 43.

The spelling of 31941680911 in words is "thirty-one billion, nine hundred forty-one million, six hundred eighty thousand, nine hundred eleven".