2431021131 has 48 divisors (see below), whose sum is σ = 4635491328. Its totient is φ = 1188576000.

The previous prime is 2431021129. The next prime is 2431021189. The reversal of 2431021131 is 1311201342.

It is not a de Polignac number, because 2431021131 - 2¹ = 2431021129 is a prime.

It is a super-2 number, since 2×2431021131² = 11819727478737038322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2431021121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91395 + ... + 114956.

It is an arithmetic number, because the mean of its divisors is an integer number (96572736).

Almost surely, 2^2431021131 is an apocalyptic number.

2431021131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2431021131 is a deficient number, since it is larger than the sum of its proper divisors (2204470197).

2431021131 is a wasteful number, since it uses less digits than its factorization.

2431021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206392 (or 206389 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2431021131 is about 49305.3864298821. The cubic root of 2431021131 is about 1344.6097145216.

Adding to 2431021131 its reverse (1311201342), we get a palindrome (3742222473).

The spelling of 2431021131 in words is "two billion, four hundred thirty-one million, twenty-one thousand, one hundred thirty-one".