31941832416 has 192 divisors, whose sum is σ = 94900151808. Its totient is φ = 9339660288.

The previous prime is 31941832411. The next prime is 31941832441. The reversal of 31941832416 is 61423814913.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31941832411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1977525 + ... + 1993611.

It is an arithmetic number, because the mean of its divisors is an integer number (494271624).

Almost surely, 2^31941832416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31941832416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47450075904).

31941832416 is an abundant number, since it is smaller than the sum of its proper divisors (62958319392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31941832416 is a wasteful number, since it uses less digits than its factorization.

31941832416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16193 (or 16185 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The spelling of 31941832416 in words is "thirty-one billion, nine hundred forty-one million, eight hundred thirty-two thousand, four hundred sixteen".