2131514555 has 8 divisors (see below), whose sum is σ = 2558494944. Its totient is φ = 1704760000.

The previous prime is 2131514549. The next prime is 2131514599. The reversal of 2131514555 is 5554151312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2131514555 - 2⁶ = 2131514491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34946 + ... + 74055.

It is an arithmetic number, because the mean of its divisors is an integer number (319811868).

Almost surely, 2^2131514555 is an apocalyptic number.

2131514555 is a deficient number, since it is larger than the sum of its proper divisors (426980389).

2131514555 is a wasteful number, since it uses less digits than its factorization.

2131514555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112917.

The product of its digits is 15000, while the sum is 32.

The square root of 2131514555 is about 46168.3284839293. The cubic root of 2131514555 is about 1286.9532397990.

Adding to 2131514555 its reverse (5554151312), we get a palindrome (7685665867).

The spelling of 2131514555 in words is "two billion, one hundred thirty-one million, five hundred fourteen thousand, five hundred fifty-five".