2431242131 has 4 divisors (see below), whose sum is σ = 2574256392. Its totient is φ = 2288227872.

The previous prime is 2431242119. The next prime is 2431242133. The reversal of 2431242131 is 1312421342.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1312421342 = 2 ⋅656210671.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2431242131 is a prime.

It is a super-2 number, since 2×2431242131² = 11821876599098842322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2431242097 and 2431242106.

It is not an unprimeable number, because it can be changed into a prime (2431242133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71507105 + ... + 71507138.

It is an arithmetic number, because the mean of its divisors is an integer number (643564098).

Almost surely, 2^2431242131 is an apocalyptic number.

2431242131 is a deficient number, since it is larger than the sum of its proper divisors (143014261).

2431242131 is a wasteful number, since it uses less digits than its factorization.

2431242131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143014260.

The product of its digits is 1152, while the sum is 23.

The square root of 2431242131 is about 49307.6275133980. The cubic root of 2431242131 is about 1344.6504586817.

Adding to 2431242131 its reverse (1312421342), we get a palindrome (3743663473).

The spelling of 2431242131 in words is "two billion, four hundred thirty-one million, two hundred forty-two thousand, one hundred thirty-one".