100313199991 has 2 divisors, whose sum is σ = 100313199992. Its totient is φ = 100313199990.

The previous prime is 100313199977. The next prime is 100313200003. The reversal of 100313199991 is 199991313001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100313199991 - 2¹⁵ = 100313167223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100313199901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50156599995 + 50156599996.

It is an arithmetic number, because the mean of its divisors is an integer number (50156599996).

Almost surely, 2^100313199991 is an apocalyptic number.

100313199991 is a deficient number, since it is larger than the sum of its proper divisors (1).

100313199991 is an equidigital number, since it uses as much as digits as its factorization.

100313199991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 59049, while the sum is 46.

It can be divided in two parts, 100313 and 199991, that added together give a square (300304 = 548²).

The spelling of 100313199991 in words is "one hundred billion, three hundred thirteen million, one hundred ninety-nine thousand, nine hundred ninety-one".