3121230112231 has 48 divisors (see below), whose sum is σ = 4010401221120. Its totient is φ = 2401836433920.

The previous prime is 3121230112139. The next prime is 3121230112283. The reversal of 3121230112231 is 1322110321213.

It is not a de Polignac number, because 3121230112231 - 2¹⁷ = 3121229981159 is a prime.

It is a super-2 number, since 2×3121230112231² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121230112031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24142560 + ... + 24271498.

It is an arithmetic number, because the mean of its divisors is an integer number (83550025440).

Almost surely, 2^{3121230112231} is an apocalyptic number.

3121230112231 is a deficient number, since it is larger than the sum of its proper divisors (889171108889).

3121230112231 is a wasteful number, since it uses less digits than its factorization.

3121230112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129524 (or 129517 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 3121230112231 its reverse (1322110321213), we get a palindrome (4443340433444).

The spelling of 3121230112231 in words is "three trillion, one hundred twenty-one billion, two hundred thirty million, one hundred twelve thousand, two hundred thirty-one".