31196880000 has 1280 divisors, whose sum is σ = 136508803200. Its totient is φ = 6912000000.

The previous prime is 31196879999. The next prime is 31196880017. The reversal of 31196880000 is 8869113.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 308879950 + ... + 308880050.

Almost surely, 2^31196880000 is an apocalyptic number.

31196880000 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 31196880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68254401600).

31196880000 is an abundant number, since it is smaller than the sum of its proper divisors (105311923200).

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

31196880000 is a wasteful number, since it uses less digits than its factorization.

31196880000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 31196880000 in words is "thirty-one billion, one hundred ninety-six million, eight hundred eighty thousand".