1010312409991 has 2 divisors, whose sum is σ = 1010312409992. Its totient is φ = 1010312409990.

The previous prime is 1010312409979. The next prime is 1010312410013. The reversal of 1010312409991 is 1999042130101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1010312409991 - 2²³ = 1010304021383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010312409961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505156204995 + 505156204996.

It is an arithmetic number, because the mean of its divisors is an integer number (505156204996).

Almost surely, 2^{1010312409991} is an apocalyptic number.

1010312409991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010312409991 is an equidigital number, since it uses as much as digits as its factorization.

1010312409991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 40.

The spelling of 1010312409991 in words is "one trillion, ten billion, three hundred twelve million, four hundred nine thousand, nine hundred ninety-one".