231103313332331 has 16 divisors (see below), whose sum is σ = 265382408073600. Its totient is φ = 199035886766400.

The previous prime is 231103313332321. The next prime is 231103313332357. The reversal of 231103313332331 is 133233313301132.

It is a cyclic number.

It is not a de Polignac number, because 231103313332331 - 2¹⁰ = 231103313331307 is a prime.

It is a super-2 number, since 2×231103313332331² (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 (231103313332321) 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, 114495215 + ... + 116496183.

It is an arithmetic number, because the mean of its divisors is an integer number (16586400504600).

Almost surely, 2^{231103313332331} is an apocalyptic number.

231103313332331 is a deficient number, since it is larger than the sum of its proper divisors (34279094741269).

231103313332331 is a wasteful number, since it uses less digits than its factorization.

231103313332331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553610.

The product of its (nonzero) digits is 26244, while the sum is 32.

Adding to 231103313332331 its reverse (133233313301132), we get a palindrome (364336626633463).

The spelling of 231103313332331 in words is "two hundred thirty-one trillion, one hundred three billion, three hundred thirteen million, three hundred thirty-two thousand, three hundred thirty-one".