231310423141131 has 4 divisors (see below), whose sum is σ = 308413897521512. Its totient is φ = 154206948760752.

The previous prime is 231310423141129. The next prime is 231310423141151. The reversal of 231310423141131 is 131141324013132.

It is a happy number.

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

It is not a de Polignac number, because 231310423141131 - 2¹ = 231310423141129 is a prime.

It is a super-2 number, since 2×231310423141131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231310423141151) 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, 38551737190186 + ... + 38551737190191.

It is an arithmetic number, because the mean of its divisors is an integer number (77103474380378).

Almost surely, 2^{231310423141131} is an apocalyptic number.

231310423141131 is a deficient number, since it is larger than the sum of its proper divisors (77103474380381).

231310423141131 is an equidigital number, since it uses as much as digits as its factorization.

231310423141131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77103474380380.

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 231310423141131 its reverse (131141324013132), we get a palindrome (362451747154263).

The spelling of 231310423141131 in words is "two hundred thirty-one trillion, three hundred ten billion, four hundred twenty-three million, one hundred forty-one thousand, one hundred thirty-one".