331121100223213 has 16 divisors (see below), whose sum is σ = 333512623872000. Its totient is φ = 328738837145472.

The previous prime is 331121100223171. The next prime is 331121100223217. The reversal of 331121100223213 is 312322001121133.

It is a cyclic number.

It is not a de Polignac number, because 331121100223213 - 2⁹ = 331121100222701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331121100223217) 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, 144422553 + ... + 146697361.

It is an arithmetic number, because the mean of its divisors is an integer number (20844538992000).

Almost surely, 2^{331121100223213} is an apocalyptic number.

It is an amenable number.

331121100223213 is a deficient number, since it is larger than the sum of its proper divisors (2391523648787).

331121100223213 is a wasteful number, since it uses less digits than its factorization.

331121100223213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276844.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 331121100223213 its reverse (312322001121133), we get a palindrome (643443101344346).

The spelling of 331121100223213 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, one hundred million, two hundred twenty-three thousand, two hundred thirteen".