331132213001 has 2 divisors, whose sum is σ = 331132213002. Its totient is φ = 331132213000.

The previous prime is 331132212967. The next prime is 331132213037. The reversal of 331132213001 is 100312231133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328674036601 + 2458176400 = 573301^2 + 49580^2 .

It is an emirp because it is prime and its reverse (100312231133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331132213001 - 2³⁸ = 56254306057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (331132213051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165566106500 + 165566106501.

It is an arithmetic number, because the mean of its divisors is an integer number (165566106501).

Almost surely, 2^331132213001 is an apocalyptic number.

It is an amenable number.

331132213001 is a deficient number, since it is larger than the sum of its proper divisors (1).

331132213001 is an equidigital number, since it uses as much as digits as its factorization.

331132213001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 331132213001 its reverse (100312231133), we get a palindrome (431444444134).

The spelling of 331132213001 in words is "three hundred thirty-one billion, one hundred thirty-two million, two hundred thirteen thousand, one".