231136341 has 16 divisors (see below), whose sum is σ = 319541760. Its totient is φ = 148455360.

The previous prime is 231136337. The next prime is 231136343. The reversal of 231136341 is 143631132.

It is a happy number.

It is not a de Polignac number, because 231136341 - 2² = 231136337 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231136343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15871 + ... + 26723.

It is an arithmetic number, because the mean of its divisors is an integer number (19971360).

Almost surely, 2^231136341 is an apocalyptic number.

It is an amenable number.

231136341 is a deficient number, since it is larger than the sum of its proper divisors (88405419).

231136341 is a wasteful number, since it uses less digits than its factorization.

231136341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11116.

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

The square root of 231136341 is about 15203.1687815402. The cubic root of 231136341 is about 613.6999359642.

Adding to 231136341 its reverse (143631132), we get a palindrome (374767473).

The spelling of 231136341 in words is "two hundred thirty-one million, one hundred thirty-six thousand, three hundred forty-one".