2402431231 has 16 divisors (see below), whose sum is σ = 2544480000. Its totient is φ = 2261998656.

The previous prime is 2402431219. The next prime is 2402431237. The reversal of 2402431231 is 1321342042.

It is a cyclic number.

It is not a de Polignac number, because 2402431231 - 2¹³ = 2402423039 is a prime.

It is a super-2 number, since 2×2402431231² = 11543351639368350722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402431237) 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, 3880840 + ... + 3881458.

It is an arithmetic number, because the mean of its divisors is an integer number (159030000).

Almost surely, 2^2402431231 is an apocalyptic number.

2402431231 is a deficient number, since it is larger than the sum of its proper divisors (142048769).

2402431231 is a wasteful number, since it uses less digits than its factorization.

2402431231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2402431231 is about 49014.6022221950. The cubic root of 2402431231 is about 1339.3178437406.

Adding to 2402431231 its reverse (1321342042), we get a palindrome (3723773273).

It can be divided in two parts, 24024 and 31231, that added together give a palindrome (55255).

The spelling of 2402431231 in words is "two billion, four hundred two million, four hundred thirty-one thousand, two hundred thirty-one".