231313141 has 4 divisors (see below), whose sum is σ = 232066912. Its totient is φ = 230559372.

The previous prime is 231313123. The next prime is 231313153. The reversal of 231313141 is 141313132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231313141 - 2⁵ = 231313109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231313741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376425 + ... + 377038.

It is an arithmetic number, because the mean of its divisors is an integer number (58016728).

Almost surely, 2^231313141 is an apocalyptic number.

It is an amenable number.

231313141 is a deficient number, since it is larger than the sum of its proper divisors (753771).

231313141 is an equidigital number, since it uses as much as digits as its factorization.

231313141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753770.

The product of its digits is 216, while the sum is 19.

The square root of 231313141 is about 15208.9822473432. The cubic root of 231313141 is about 613.8563724855.

Adding to 231313141 its reverse (141313132), we get a palindrome (372626273).

Subtracting from 231313141 its reverse (141313132), we obtain a palindrome (90000009).

The spelling of 231313141 in words is "two hundred thirty-one million, three hundred thirteen thousand, one hundred forty-one".