2431113131 has 4 divisors (see below), whose sum is σ = 2443841664. Its totient is φ = 2418384600.

The previous prime is 2431113109. The next prime is 2431113143. The reversal of 2431113131 is 1313111342.

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-2431113131 is a prime.

It is a super-2 number, since 2×2431113131² = 11820622111441246322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2431113161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6363980 + ... + 6364361.

It is an arithmetic number, because the mean of its divisors is an integer number (610960416).

Almost surely, 2^2431113131 is an apocalyptic number.

2431113131 is a deficient number, since it is larger than the sum of its proper divisors (12728533).

2431113131 is a wasteful number, since it uses less digits than its factorization.

2431113131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12728532.

The product of its digits is 216, while the sum is 20.

The square root of 2431113131 is about 49306.3193820021. The cubic root of 2431113131 is about 1344.6266761914.

Adding to 2431113131 its reverse (1313111342), we get a palindrome (3744224473).

The spelling of 2431113131 in words is "two billion, four hundred thirty-one million, one hundred thirteen thousand, one hundred thirty-one".