231312310033 has 8 divisors (see below), whose sum is σ = 278270448320. Its totient is φ = 187832552400.

The previous prime is 231312310003. The next prime is 231312310067. The reversal of 231312310033 is 330013213132.

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 231312310033 - 2⁵ = 231312310001 is a prime.

It is a super-2 number, since 2×231312310033² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231312309986 and 231312310013.

It is not an unprimeable number, because it can be changed into a prime (231312310003) 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, 869595018 + ... + 869595283.

It is an arithmetic number, because the mean of its divisors is an integer number (34783806040).

Almost surely, 2^231312310033 is an apocalyptic number.

It is an amenable number.

231312310033 is a deficient number, since it is larger than the sum of its proper divisors (46958138287).

231312310033 is a wasteful number, since it uses less digits than its factorization.

231312310033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739190327.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 231312310033 its reverse (330013213132), we get a palindrome (561325523165).

The spelling of 231312310033 in words is "two hundred thirty-one billion, three hundred twelve million, three hundred ten thousand, thirty-three".