2131514236 has 12 divisors (see below), whose sum is σ = 3892330512. Its totient is φ = 1019419808.

The previous prime is 2131514233. The next prime is 2131514243. The reversal of 2131514236 is 6324151312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131514233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11584225 + ... + 11584408.

It is an arithmetic number, because the mean of its divisors is an integer number (324360876).

Almost surely, 2^2131514236 is an apocalyptic number.

It is an amenable number.

2131514236 is a deficient number, since it is larger than the sum of its proper divisors (1760816276).

2131514236 is a wasteful number, since it uses less digits than its factorization.

2131514236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23168660 (or 23168658 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 2131514236 is about 46168.3250291799. The cubic root of 2131514236 is about 1286.9531755977.

Adding to 2131514236 its reverse (6324151312), we get a palindrome (8455665548).

The spelling of 2131514236 in words is "two billion, one hundred thirty-one million, five hundred fourteen thousand, two hundred thirty-six".