331411121299987 has 2 divisors, whose sum is σ = 331411121299988. Its totient is φ = 331411121299986.

The previous prime is 331411121299933. The next prime is 331411121300093. The reversal of 331411121299987 is 789992121114133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 331411121299987 - 2¹⁹ = 331411120775699 is a prime.

It is not a weakly prime, because it can be changed into another prime (331411121299187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165705560649993 + 165705560649994.

It is an arithmetic number, because the mean of its divisors is an integer number (165705560649994).

Almost surely, 2^{331411121299987} is an apocalyptic number.

331411121299987 is a deficient number, since it is larger than the sum of its proper divisors (1).

331411121299987 is an equidigital number, since it uses as much as digits as its factorization.

331411121299987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 61.

The spelling of 331411121299987 in words is "three hundred thirty-one trillion, four hundred eleven billion, one hundred twenty-one million, two hundred ninety-nine thousand, nine hundred eighty-seven".