2132403131 has 4 divisors (see below), whose sum is σ = 2134586712. Its totient is φ = 2130219552.

The previous prime is 2132403103. The next prime is 2132403139. The reversal of 2132403131 is 1313042312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2132403131 is a prime.

It is a super-2 number, since 2×2132403131² = 9094286226197206322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2132403139) 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, 1090325 + ... + 1092278.

It is an arithmetic number, because the mean of its divisors is an integer number (533646678).

Almost surely, 2^2132403131 is an apocalyptic number.

2132403131 is a deficient number, since it is larger than the sum of its proper divisors (2183581).

2132403131 is an equidigital number, since it uses as much as digits as its factorization.

2132403131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183580.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2132403131 is about 46177.9507016065. The cubic root of 2132403131 is about 1287.1320480068.

Adding to 2132403131 its reverse (1313042312), we get a palindrome (3445445443).

The spelling of 2132403131 in words is "two billion, one hundred thirty-two million, four hundred three thousand, one hundred thirty-one".