231314120033 has 4 divisors (see below), whose sum is σ = 231372112020. Its totient is φ = 231256128048.

The previous prime is 231314119999. The next prime is 231314120117. The reversal of 231314120033 is 330021413132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 176036467489 + 55277652544 = 419567^2 + 235112^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231314120033 is a prime.

It is a super-2 number, since 2×231314120033² (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 = 231314119990 and 231314120008.

It is not an unprimeable number, because it can be changed into a prime (231314120533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28990010 + ... + 28997987.

It is an arithmetic number, because the mean of its divisors is an integer number (57843028005).

Almost surely, 2^231314120033 is an apocalyptic number.

It is an amenable number.

231314120033 is a deficient number, since it is larger than the sum of its proper divisors (57991987).

231314120033 is an equidigital number, since it uses as much as digits as its factorization.

231314120033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57991986.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 231314120033 its reverse (330021413132), we get a palindrome (561335533165).

The spelling of 231314120033 in words is "two hundred thirty-one billion, three hundred fourteen million, one hundred twenty thousand, thirty-three".