31613050500 has 96 divisors (see below), whose sum is σ = 92969106048. Its totient is φ = 8346640000.

The previous prime is 31613050499. The next prime is 31613050523. The reversal of 31613050500 is 505031613.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47167 + ... + 255833.

It is an arithmetic number, because the mean of its divisors is an integer number (968428188).

Almost surely, 2^31613050500 is an apocalyptic number.

31613050500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31613050500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46484553024).

31613050500 is an abundant number, since it is smaller than the sum of its proper divisors (61356055548).

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

31613050500 is a wasteful number, since it uses less digits than its factorization.

31613050500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208790 (or 208778 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The spelling of 31613050500 in words is "thirty-one billion, six hundred thirteen million, fifty thousand, five hundred".