2231032123131 has 48 divisors (see below), whose sum is σ = 3465286272000. Its totient is φ = 1273068099072.

The previous prime is 2231032123109. The next prime is 2231032123139. The reversal of 2231032123131 is 1313212301322.

It is not a de Polignac number, because 2231032123131 - 2⁷ = 2231032123003 is a prime.

It is a super-3 number, since 3×2231032123131³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2231032123139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 388475646 + ... + 388481388.

It is an arithmetic number, because the mean of its divisors is an integer number (72193464000).

Almost surely, 2^{2231032123131} is an apocalyptic number.

2231032123131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2231032123131 is a deficient number, since it is larger than the sum of its proper divisors (1234254148869).

2231032123131 is a wasteful number, since it uses less digits than its factorization.

2231032123131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9048 (or 9041 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2231032123131 its reverse (1313212301322), we get a palindrome (3544244424453).

The spelling of 2231032123131 in words is "two trillion, two hundred thirty-one billion, thirty-two million, one hundred twenty-three thousand, one hundred thirty-one".