2132431201 has 4 divisors (see below), whose sum is σ = 2151994900. Its totient is φ = 2112867504.

The previous prime is 2132431181. The next prime is 2132431207. The reversal of 2132431201 is 1021342312.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 657871201 + 1474560000 = 25649^2 + 38400^2 .

It is a cyclic number.

It is not a de Polignac number, because 2132431201 - 2⁷ = 2132431073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2132431207) 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, 9781686 + ... + 9781903.

It is an arithmetic number, because the mean of its divisors is an integer number (537998725).

Almost surely, 2^2132431201 is an apocalyptic number.

It is an amenable number.

2132431201 is a deficient number, since it is larger than the sum of its proper divisors (19563699).

2132431201 is a wasteful number, since it uses less digits than its factorization.

2132431201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19563698.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2132431201 is about 46178.2546335394. The cubic root of 2132431201 is about 1287.1376957253.

Adding to 2132431201 its reverse (1021342312), we get a palindrome (3153773513).

Subtracting from 2132431201 its reverse (1021342312), we obtain a square (1111088889 = 33333²).

It can be divided in two parts, 21324 and 31201, that added together give a palindrome (52525).

The spelling of 2132431201 in words is "two billion, one hundred thirty-two million, four hundred thirty-one thousand, two hundred one".