231303101331 has 8 divisors (see below), whose sum is σ = 308742672384. Its totient is φ = 154032798920.

The previous prime is 231303101321. The next prime is 231303101353. The reversal of 231303101331 is 133101303132.

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

It is a cyclic number.

It is not a de Polignac number, because 231303101331 - 2¹⁰ = 231303100307 is a prime.

It is a super-2 number, since 2×231303101331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231303101298 and 231303101307.

It is not an unprimeable number, because it can be changed into a prime (231303101321) 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, 42313971 + ... + 42319436.

It is an arithmetic number, because the mean of its divisors is an integer number (38592834048).

Almost surely, 2^231303101331 is an apocalyptic number.

231303101331 is a deficient number, since it is larger than the sum of its proper divisors (77439571053).

231303101331 is an equidigital number, since it uses as much as digits as its factorization.

231303101331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84634321.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 231303101331 its reverse (133101303132), we get a palindrome (364404404463).

The spelling of 231303101331 in words is "two hundred thirty-one billion, three hundred three million, one hundred one thousand, three hundred thirty-one".