231131241119 has 2 divisors, whose sum is σ = 231131241120. Its totient is φ = 231131241118.

The previous prime is 231131241109. The next prime is 231131241151. The reversal of 231131241119 is 911142131132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231131241119 - 2²⁴ = 231114463903 is a prime.

It is a super-2 number, since 2×231131241119² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231131241091 and 231131241100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231131241109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115565620559 + 115565620560.

It is an arithmetic number, because the mean of its divisors is an integer number (115565620560).

Almost surely, 2^231131241119 is an apocalyptic number.

231131241119 is a deficient number, since it is larger than the sum of its proper divisors (1).

231131241119 is an equidigital number, since it uses as much as digits as its factorization.

231131241119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 29.

The spelling of 231131241119 in words is "two hundred thirty-one billion, one hundred thirty-one million, two hundred forty-one thousand, one hundred nineteen".