31080192 has 144 divisors (see below), whose sum is σ = 97523328. Its totient is φ = 8663040.

The previous prime is 31080187. The next prime is 31080193. The reversal of 31080192 is 29108013.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31080193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109683 + ... + 109965.

Almost surely, 2^31080192 is an apocalyptic number.

31080192 is a gapful number since it is divisible by the number (32) 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 31080192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48761664).

31080192 is an abundant number, since it is smaller than the sum of its proper divisors (66443136).

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

31080192 is a wasteful number, since it uses less digits than its factorization.

31080192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 31080192 is about 5574.9611657840. The cubic root of 31080192 is about 314.4087068402.

The spelling of 31080192 in words is "thirty-one million, eighty thousand, one hundred ninety-two".