331131300100099 has 2 divisors, whose sum is σ = 331131300100100. Its totient is φ = 331131300100098.

The previous prime is 331131300100087. The next prime is 331131300100151. The reversal of 331131300100099 is 990001003131133.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331131300100099 is a prime.

It is not a weakly prime, because it can be changed into another prime (331131300100009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165565650050049 + 165565650050050.

It is an arithmetic number, because the mean of its divisors is an integer number (165565650050050).

Almost surely, 2^{331131300100099} is an apocalyptic number.

331131300100099 is a deficient number, since it is larger than the sum of its proper divisors (1).

331131300100099 is an equidigital number, since it uses as much as digits as its factorization.

331131300100099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6561, while the sum is 34.

The spelling of 331131300100099 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, three hundred million, one hundred thousand, ninety-nine".