231122124441 has 80 divisors (see below), whose sum is σ = 404880907200. Its totient is φ = 130096616832.

The previous prime is 231122124421. The next prime is 231122124469. The reversal of 231122124441 is 144421221132.

231122124441 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 2 + 212 + 4 + 441 = 666.

It is not a de Polignac number, because 231122124441 - 2⁷ = 231122124313 is a prime.

It is a super-2 number, since 2×231122124441² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (231122124421) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 381030 + ... + 779376.

It is an arithmetic number, because the mean of its divisors is an integer number (5061011340).

Almost surely, 2^231122124441 is an apocalyptic number.

It is an amenable number.

231122124441 is a deficient number, since it is larger than the sum of its proper divisors (173758782759).

231122124441 is a wasteful number, since it uses less digits than its factorization.

231122124441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398420 (or 398411 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 231122124441 its reverse (144421221132), we get a palindrome (375543345573).

The spelling of 231122124441 in words is "two hundred thirty-one billion, one hundred twenty-two million, one hundred twenty-four thousand, four hundred forty-one".