331121023311313 has 16 divisors (see below), whose sum is σ = 344422301110272. Its totient is φ = 317983645746000.

The previous prime is 331121023311301. The next prime is 331121023311329. The reversal of 331121023311313 is 313113320121133.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331121023311313 is a prime.

It is a super-2 number, since 2×331121023311313² (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 (331121023311343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130199220 + ... + 132718042.

It is an arithmetic number, because the mean of its divisors is an integer number (21526393819392).

Almost surely, 2^{331121023311313} is an apocalyptic number.

It is an amenable number.

331121023311313 is a deficient number, since it is larger than the sum of its proper divisors (13301277798959).

331121023311313 is a wasteful number, since it uses less digits than its factorization.

331121023311313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551356.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 331121023311313 its reverse (313113320121133), we get a palindrome (644234343432446).

The spelling of 331121023311313 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, twenty-three million, three hundred eleven thousand, three hundred thirteen".