313033323231121 has 4 divisors (see below), whose sum is σ = 318165017054644. Its totient is φ = 307901629407600.

The previous prime is 313033323231113. The next prime is 313033323231127. The reversal of 313033323231121 is 121132323330313.

It is a happy number.

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 161159470419600 + 151873852811521 = 12694860^2 + 12323711^2 .

It is a cyclic number.

It is not a de Polignac number, because 313033323231121 - 2³ = 313033323231113 is a prime.

It is a super-2 number, since 2×313033323231121² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313033323231127) 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, 2565846911670 + ... + 2565846911791.

It is an arithmetic number, because the mean of its divisors is an integer number (79541254263661).

Almost surely, 2^{313033323231121} is an apocalyptic number.

It is an amenable number.

313033323231121 is a deficient number, since it is larger than the sum of its proper divisors (5131693823523).

313033323231121 is an equidigital number, since it uses as much as digits as its factorization.

313033323231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5131693823522.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 313033323231121 its reverse (121132323330313), we get a palindrome (434165646561434).

The spelling of 313033323231121 in words is "three hundred thirteen trillion, thirty-three billion, three hundred twenty-three million, two hundred thirty-one thousand, one hundred twenty-one".