1903113012 has 24 divisors (see below), whose sum is σ = 4633667136. Its totient is φ = 606789568.

The previous prime is 1903113001. The next prime is 1903113041. The reversal of 1903113012 is 2103113091.

It is a self number, because there is not a number n which added to its sum of digits gives 1903113012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3447393 + ... + 3447944.

It is an arithmetic number, because the mean of its divisors is an integer number (193069464).

Almost surely, 2^1903113012 is an apocalyptic number.

1903113012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1903113012 is an abundant number, since it is smaller than the sum of its proper divisors (2730554124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1903113012 is a wasteful number, since it uses less digits than its factorization.

1903113012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6895367 (or 6895365 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1903113012 is about 43624.6835174767. The cubic root of 1903113012 is about 1239.2383920109.

The spelling of 1903113012 in words is "one billion, nine hundred three million, one hundred thirteen thousand, twelve".