231103311230331 has 12 divisors (see below), whose sum is σ = 333829997813520. Its totient is φ = 154062364700880.

The previous prime is 231103311230299. The next prime is 231103311230333. The reversal of 231103311230331 is 133032113301132.

231103311230331 is a `hidden beast` number, since 2 + 3 + 1 + 10 + 3 + 311 + 2 + 3 + 0 + 331 = 666.

It is not a de Polignac number, because 231103311230331 - 2⁵ = 231103311230299 is a prime.

It is a super-2 number, since 2×231103311230331² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231103311230295 and 231103311230304.

It is not an unprimeable number, because it can be changed into a prime (231103311230333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 542229535 + ... + 542655576.

It is an arithmetic number, because the mean of its divisors is an integer number (27819166484460).

Almost surely, 2^{231103311230331} is an apocalyptic number.

231103311230331 is a deficient number, since it is larger than the sum of its proper divisors (102726686583189).

231103311230331 is a wasteful number, since it uses less digits than its factorization.

231103311230331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084908786 (or 1084908783 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 231103311230331 its reverse (133032113301132), we get a palindrome (364135424531463).

The spelling of 231103311230331 in words is "two hundred thirty-one trillion, one hundred three billion, three hundred eleven million, two hundred thirty thousand, three hundred thirty-one".