313023221331121 has 8 divisors (see below), whose sum is σ = 357740932837760. Its totient is φ = 268305536939328.

The previous prime is 313023221331089. The next prime is 313023221331127. The reversal of 313023221331121 is 121133122320313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 313023221331121 - 2⁵ = 313023221331089 is a prime.

It is a super-2 number, since 2×313023221331121² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313023221331121.

It is not an unprimeable number, because it can be changed into a prime (313023221331127) 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, 35732620 + ... + 43621858.

It is an arithmetic number, because the mean of its divisors is an integer number (44717616604720).

Almost surely, 2^{313023221331121} is an apocalyptic number.

It is an amenable number.

313023221331121 is a deficient number, since it is larger than the sum of its proper divisors (44717711506639).

313023221331121 is an equidigital number, since it uses as much as digits as its factorization.

313023221331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13557423.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 313023221331121 its reverse (121133122320313), we get a palindrome (434156343651434).

The spelling of 313023221331121 in words is "three hundred thirteen trillion, twenty-three billion, two hundred twenty-one million, three hundred thirty-one thousand, one hundred twenty-one".