33331032001961 has 2 divisors, whose sum is σ = 33331032001962. Its totient is φ = 33331032001960.

The previous prime is 33331032001919. The next prime is 33331032002011. The reversal of 33331032001961 is 16910023013333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27834656532736 + 5496375469225 = 5275856^2 + 2344435^2 .

It is a cyclic number.

It is not a de Polignac number, because 33331032001961 - 2²² = 33331027807657 is a prime.

It is a super-2 number, since 2×33331032001961² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33331032001061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16665516000980 + 16665516000981.

It is an arithmetic number, because the mean of its divisors is an integer number (16665516000981).

Almost surely, 2^{33331032001961} is an apocalyptic number.

It is an amenable number.

33331032001961 is a deficient number, since it is larger than the sum of its proper divisors (1).

33331032001961 is an equidigital number, since it uses as much as digits as its factorization.

33331032001961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 35.

The spelling of 33331032001961 in words is "thirty-three trillion, three hundred thirty-one billion, thirty-two million, one thousand, nine hundred sixty-one".