2031170904 has 192 divisors, whose sum is σ = 6745939200. Its totient is φ = 560214144.

The previous prime is 2031170899. The next prime is 2031170951. The reversal of 2031170904 is 4090711302.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 392059 + ... + 397205.

It is an arithmetic number, because the mean of its divisors is an integer number (35135100).

Almost surely, 2^2031170904 is an apocalyptic number.

2031170904 is a gapful number since it is divisible by the number (24) 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 2031170904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3372969600).

2031170904 is an abundant number, since it is smaller than the sum of its proper divisors (4714768296).

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

2031170904 is a wasteful number, since it uses less digits than its factorization.

2031170904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204 (or 5188 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 2031170904 is about 45068.5134434230. The cubic root of 2031170904 is about 1266.4328162324.

The spelling of 2031170904 in words is "two billion, thirty-one million, one hundred seventy thousand, nine hundred four".