331132212001 has 2 divisors, whose sum is σ = 331132212002. Its totient is φ = 331132212000.

The previous prime is 331132211959. The next prime is 331132212023. The reversal of 331132212001 is 100212231133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286695993600 + 44436218401 = 535440^2 + 210799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331132212001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 331132212001.

It is not a weakly prime, because it can be changed into another prime (331132212101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165566106000 + 165566106001.

It is an arithmetic number, because the mean of its divisors is an integer number (165566106001).

Almost surely, 2^331132212001 is an apocalyptic number.

It is an amenable number.

331132212001 is a deficient number, since it is larger than the sum of its proper divisors (1).

331132212001 is an equidigital number, since it uses as much as digits as its factorization.

331132212001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 331132212001 its reverse (100212231133), we get a palindrome (431344443134).

The spelling of 331132212001 in words is "three hundred thirty-one billion, one hundred thirty-two million, two hundred twelve thousand, one".