231324242403133 has 6 divisors (see below), whose sum is σ = 254265489583742. Its totient is φ = 210294765820920.

The previous prime is 231324242403097. The next prime is 231324242403173. The reversal of 231324242403133 is 331304242423132.

It can be written as a sum of positive squares in only one way, i.e., 156162937131289 + 75161305271844 = 12496517^2 + 8669562^2 .

It is not a de Polignac number, because 231324242403133 - 2²⁵ = 231324208848701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231324242403092 and 231324242403101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231324242403173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 955885299066 + ... + 955885299307.

Almost surely, 2^{231324242403133} is an apocalyptic number.

It is an amenable number.

231324242403133 is a deficient number, since it is larger than the sum of its proper divisors (22941247180609).

231324242403133 is a wasteful number, since it uses less digits than its factorization.

231324242403133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911770598395 (or 1911770598384 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 231324242403133 its reverse (331304242423132), we get a palindrome (562628484826265).

The spelling of 231324242403133 in words is "two hundred thirty-one trillion, three hundred twenty-four billion, two hundred forty-two million, four hundred three thousand, one hundred thirty-three".