331121100032113 has 2 divisors, whose sum is σ = 331121100032114. Its totient is φ = 331121100032112.

The previous prime is 331121100032089. The next prime is 331121100032141. The reversal of 331121100032113 is 311230001121133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 324471339295744 + 6649760736369 = 18013088^2 + 2578713^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331121100032113 is a prime.

It is not a weakly prime, because it can be changed into another prime (331121100062113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165560550016056 + 165560550016057.

It is an arithmetic number, because the mean of its divisors is an integer number (165560550016057).

Almost surely, 2^{331121100032113} is an apocalyptic number.

It is an amenable number.

331121100032113 is a deficient number, since it is larger than the sum of its proper divisors (1).

331121100032113 is an equidigital number, since it uses as much as digits as its factorization.

331121100032113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 331121100032113 its reverse (311230001121133), we get a palindrome (642351101153246).

The spelling of 331121100032113 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, one hundred million, thirty-two thousand, one hundred thirteen".