231301313331 has 8 divisors (see below), whose sum is σ = 336438273984. Its totient is φ = 140182614120.

The previous prime is 231301313311. The next prime is 231301313371. The reversal of 231301313331 is 133313103132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231301313331 - 2⁷ = 231301313203 is a prime.

It is a super-2 number, since 2×231301313331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231301313311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3504565321 + ... + 3504565386.

It is an arithmetic number, because the mean of its divisors is an integer number (42054784248).

Almost surely, 2^231301313331 is an apocalyptic number.

231301313331 is a deficient number, since it is larger than the sum of its proper divisors (105136960653).

231301313331 is a wasteful number, since it uses less digits than its factorization.

231301313331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7009130721.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 231301313331 its reverse (133313103132), we get a palindrome (364614416463).

The spelling of 231301313331 in words is "two hundred thirty-one billion, three hundred one million, three hundred thirteen thousand, three hundred thirty-one".