231131123103303 has 32 divisors (see below), whose sum is σ = 358237061038080. Its totient is φ = 147003137439840.

The previous prime is 231131123103299. The next prime is 231131123103311. The reversal of 231131123103303 is 303301321131132.

231131123103303 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 3 + 1 + 12 + 310 + 330 + 3 = 666.

It is not a de Polignac number, because 231131123103303 - 2² = 231131123103299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231131123103323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 485652268 + ... + 486127953.

It is an arithmetic number, because the mean of its divisors is an integer number (11194908157440).

Almost surely, 2^{231131123103303} is an apocalyptic number.

231131123103303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

231131123103303 is a deficient number, since it is larger than the sum of its proper divisors (127105937934777).

231131123103303 is a wasteful number, since it uses less digits than its factorization.

231131123103303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971780636 (or 971780630 counting only the distinct ones).

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

Adding to 231131123103303 its reverse (303301321131132), we get a palindrome (534432444234435).

The spelling of 231131123103303 in words is "two hundred thirty-one trillion, one hundred thirty-one billion, one hundred twenty-three million, one hundred three thousand, three hundred three".