331121100131201 has 4 divisors (see below), whose sum is σ = 332970938679600. Its totient is φ = 329271261582804.

The previous prime is 331121100131179. The next prime is 331121100131207. The reversal of 331121100131201 is 102131001121133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331121100131201 - 2¹⁴ = 331121100114817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331121100131207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 924919273931 + ... + 924919274288.

It is an arithmetic number, because the mean of its divisors is an integer number (83242734669900).

Almost surely, 2^{331121100131201} is an apocalyptic number.

It is an amenable number.

331121100131201 is a deficient number, since it is larger than the sum of its proper divisors (1849838548399).

331121100131201 is a wasteful number, since it uses less digits than its factorization.

331121100131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849838548398.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 331121100131201 its reverse (102131001121133), we get a palindrome (433252101252334).

The spelling of 331121100131201 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, one hundred million, one hundred thirty-one thousand, two hundred one".