1013103999 has 24 divisors (see below), whose sum is σ = 1484421120. Its totient is φ = 665736192.

The previous prime is 1013103989. The next prime is 1013104003. The reversal of 1013103999 is 9993013101.

It is not a de Polignac number, because 1013103999 - 2¹⁷ = 1012972927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013103989) 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, 280962 + ... + 284544.

It is an arithmetic number, because the mean of its divisors is an integer number (61850880).

Almost surely, 2^1013103999 is an apocalyptic number.

1013103999 is a deficient number, since it is larger than the sum of its proper divisors (471317121).

1013103999 is a wasteful number, since it uses less digits than its factorization.

1013103999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031 (or 4028 counting only the distinct ones).

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

The square root of 1013103999 is about 31829.2946670202. The cubic root of 1013103999 is about 1004.3490579419.

The spelling of 1013103999 in words is "one billion, thirteen million, one hundred three thousand, nine hundred ninety-nine".