103311999 has 24 divisors (see below), whose sum is σ = 173770272. Its totient is φ = 57919680.

The previous prime is 103311983. The next prime is 103312019. The reversal of 103311999 is 999113301.

It is not a de Polignac number, because 103311999 - 2⁴ = 103311983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103311919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12132 + ... + 18809.

It is an arithmetic number, because the mean of its divisors is an integer number (7240428).

Almost surely, 2^103311999 is an apocalyptic number.

103311999 is a deficient number, since it is larger than the sum of its proper divisors (70458273).

103311999 is a wasteful number, since it uses less digits than its factorization.

103311999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31007 (or 31004 counting only the distinct ones).

The product of its (nonzero) digits is 6561, while the sum is 36.

The square root of 103311999 is about 10164.2510299579. The cubic root of 103311999 is about 469.2276419854.

The spelling of 103311999 in words is "one hundred three million, three hundred eleven thousand, nine hundred ninety-nine".