231457114498381 has 4 divisors (see below), whose sum is σ = 239438394308700. Its totient is φ = 223475834688064.

The previous prime is 231457114498367. The next prime is 231457114498397. The reversal of 231457114498381 is 183894411754132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 167419428952356 + 64037685546025 = 12939066^2 + 8002355^2 .

It is a cyclic number.

It is not a de Polignac number, because 231457114498381 - 2²³ = 231457106109773 is a prime.

It is a super-2 number, since 2×231457114498381² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231457114498681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3990639905116 + ... + 3990639905173.

It is an arithmetic number, because the mean of its divisors is an integer number (59859598577175).

Almost surely, 2^{231457114498381} is an apocalyptic number.

It is an amenable number.

231457114498381 is a deficient number, since it is larger than the sum of its proper divisors (7981279810319).

231457114498381 is an equidigital number, since it uses as much as digits as its factorization.

231457114498381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7981279810318.

The product of its digits is 23224320, while the sum is 61.

The spelling of 231457114498381 in words is "two hundred thirty-one trillion, four hundred fifty-seven billion, one hundred fourteen million, four hundred ninety-eight thousand, three hundred eighty-one".