3191372380 has 96 divisors (see below), whose sum is σ = 7951491072. Its totient is φ = 1053216000.

The previous prime is 3191372299. The next prime is 3191372389. The reversal of 3191372380 is 832731913.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3191372389) 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, 397405 + ... + 405355.

It is an arithmetic number, because the mean of its divisors is an integer number (82828032).

Almost surely, 2^3191372380 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 3191372380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3975745536).

3191372380 is an abundant number, since it is smaller than the sum of its proper divisors (4760118692).

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

3191372380 is a wasteful number, since it uses less digits than its factorization.

3191372380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8075 (or 8073 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 3191372380 is about 56492.2329174551. The cubic root of 3191372380 is about 1472.2870564689.

The spelling of 3191372380 in words is "three billion, one hundred ninety-one million, three hundred seventy-two thousand, three hundred eighty".