320312303131133 has 4 divisors (see below), whose sum is σ = 327761426459808. Its totient is φ = 312863179802460.

The previous prime is 320312303131097. The next prime is 320312303131151. The reversal of 320312303131133 is 331131303213023.

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 320312303131133 - 2⁶ = 320312303131069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320312303131096 and 320312303131105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320312303131153) 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, 3724561664273 + ... + 3724561664358.

It is an arithmetic number, because the mean of its divisors is an integer number (81940356614952).

Almost surely, 2^{320312303131133} is an apocalyptic number.

It is an amenable number.

320312303131133 is a deficient number, since it is larger than the sum of its proper divisors (7449123328675).

320312303131133 is an equidigital number, since it uses as much as digits as its factorization.

320312303131133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7449123328674.

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 320312303131133 its reverse (331131303213023), we get a palindrome (651443606344156).

The spelling of 320312303131133 in words is "three hundred twenty trillion, three hundred twelve billion, three hundred three million, one hundred thirty-one thousand, one hundred thirty-three".