320231023133 has 4 divisors (see below), whose sum is σ = 365978312160. Its totient is φ = 274483734108.

The previous prime is 320231023127. The next prime is 320231023159. The reversal of 320231023133 is 331320132023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 320231023133 - 2⁶ = 320231023069 is a prime.

It is a super-2 number, since 2×320231023133² (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 = 320231023099 and 320231023108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320231023193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22873644503 + ... + 22873644516.

It is an arithmetic number, because the mean of its divisors is an integer number (91494578040).

Almost surely, 2^320231023133 is an apocalyptic number.

It is an amenable number.

320231023133 is a deficient number, since it is larger than the sum of its proper divisors (45747289027).

320231023133 is an equidigital number, since it uses as much as digits as its factorization.

320231023133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45747289026.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 320231023133 its reverse (331320132023), we get a palindrome (651551155156).

The spelling of 320231023133 in words is "three hundred twenty billion, two hundred thirty-one million, twenty-three thousand, one hundred thirty-three".