331121221133313 has 128 divisors (see below), whose sum is σ = 518000716800000. Its totient is φ = 186437730585600.

The previous prime is 331121221133299. The next prime is 331121221133441. The reversal of 331121221133313 is 313331122121133.

It is not a de Polignac number, because 331121221133313 - 2⁶ = 331121221133249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331121221133513) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 490395063 + ... + 491069811.

It is an arithmetic number, because the mean of its divisors is an integer number (4046880600000).

Almost surely, 2^{331121221133313} is an apocalyptic number.

It is an amenable number.

331121221133313 is a deficient number, since it is larger than the sum of its proper divisors (186879495666687).

331121221133313 is a wasteful number, since it uses less digits than its factorization.

331121221133313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675047.

The product of its digits is 5832, while the sum is 30.

Adding to 331121221133313 its reverse (313331122121133), we get a palindrome (644452343254446).

The spelling of 331121221133313 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred thirty-three thousand, three hundred thirteen".