231031123123303 has 8 divisors (see below), whose sum is σ = 236615581833488. Its totient is φ = 225456284499264.

The previous prime is 231031123123291. The next prime is 231031123123313. The reversal of 231031123123303 is 303321321130132.

It is a happy number.

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 231031123123303 - 2³⁷ = 230893684169831 is a prime.

It is a super-2 number, since 2×231031123123303² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231031123123313) 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, 2404972926 + ... + 2405068987.

It is an arithmetic number, because the mean of its divisors is an integer number (29576947729186).

Almost surely, 2^{231031123123303} is an apocalyptic number.

231031123123303 is a deficient number, since it is larger than the sum of its proper divisors (5584458710185).

231031123123303 is a wasteful number, since it uses less digits than its factorization.

231031123123303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4810043073.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 231031123123303 its reverse (303321321130132), we get a palindrome (534352444253435).

The spelling of 231031123123303 in words is "two hundred thirty-one trillion, thirty-one billion, one hundred twenty-three million, one hundred twenty-three thousand, three hundred three".