2131306238592 has 128 divisors (see below), whose sum is σ = 6291625771200. Its totient is φ = 710287211520.

The previous prime is 2131306238539. The next prime is 2131306238597. The reversal of 2131306238592 is 2958326031312.

2131306238592 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 30 + 6 + 23 + 8 + 592 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×2131306238592² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2131306238597) 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, 17173242 + ... + 17296902.

Almost surely, 2^{2131306238592} 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 2131306238592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3145812885600).

2131306238592 is an abundant number, since it is smaller than the sum of its proper divisors (4160319532608).

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

2131306238592 is a wasteful number, since it uses less digits than its factorization.

2131306238592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128671 (or 128653 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 2131306238592 in words is "two trillion, one hundred thirty-one billion, three hundred six million, two hundred thirty-eight thousand, five hundred ninety-two".