2131188360 has 192 divisors, whose sum is σ = 7611278400. Its totient is φ = 475743744.

The previous prime is 2131188343. The next prime is 2131188377. The reversal of 2131188360 is 638811312.

2131188360 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2131188343) and next prime (2131188377).

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, 248626 + ... + 257054.

It is an arithmetic number, because the mean of its divisors is an integer number (39642075).

Almost surely, 2^2131188360 is an apocalyptic number.

2131188360 is a gapful number since it is divisible by the number (20) 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 2131188360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3805639200).

2131188360 is an abundant number, since it is smaller than the sum of its proper divisors (5480090040).

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

2131188360 is a wasteful number, since it uses less digits than its factorization.

2131188360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8500 (or 8489 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 2131188360 is about 46164.7956780922. The cubic root of 2131188360 is about 1286.8875870878.

Adding to 2131188360 its reverse (638811312), we get a palindrome (2769999672).

The spelling of 2131188360 in words is "two billion, one hundred thirty-one million, one hundred eighty-eight thousand, three hundred sixty".