2131251360 has 96 divisors (see below), whose sum is σ = 7672516992. Its totient is φ = 487142400.

The previous prime is 2131251349. The next prime is 2131251373. The reversal of 2131251360 is 631521312.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a self number, because there is not a number n which added to its sum of digits gives 2131251360.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313791 + ... + 320510.

It is an arithmetic number, because the mean of its divisors is an integer number (79922052).

Almost surely, 2^2131251360 is an apocalyptic number.

2131251360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131251360 is an abundant number, since it is smaller than the sum of its proper divisors (5541265632).

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

2131251360 is a wasteful number, since it uses less digits than its factorization.

2131251360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634326 (or 634318 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2131251360 is about 46165.4780111719. The cubic root of 2131251360 is about 1286.9002675123.

Adding to 2131251360 its reverse (631521312), we get a palindrome (2762772672).

The spelling of 2131251360 in words is "two billion, one hundred thirty-one million, two hundred fifty-one thousand, three hundred sixty".