331132202023121 has 2 divisors, whose sum is σ = 331132202023122. Its totient is φ = 331132202023120.

The previous prime is 331132202023031. The next prime is 331132202023213. The reversal of 331132202023121 is 121320202231133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189521726022721 + 141610476000400 = 13766689^2 + 11900020^2 .

It is a cyclic number.

It is not a de Polignac number, because 331132202023121 - 2¹⁸ = 331132201760977 is a prime.

It is not a weakly prime, because it can be changed into another prime (331132202026121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165566101011560 + 165566101011561.

It is an arithmetic number, because the mean of its divisors is an integer number (165566101011561).

Almost surely, 2^{331132202023121} is an apocalyptic number.

It is an amenable number.

331132202023121 is a deficient number, since it is larger than the sum of its proper divisors (1).

331132202023121 is an equidigital number, since it uses as much as digits as its factorization.

331132202023121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 331132202023121 its reverse (121320202231133), we get a palindrome (452452404254254).

The spelling of 331132202023121 in words is "three hundred thirty-one trillion, one hundred thirty-two billion, two hundred two million, twenty-three thousand, one hundred twenty-one".