1903130112 has 160 divisors (see below), whose sum is σ = 5499648000. Its totient is φ = 581345280.

The previous prime is 1903130107. The next prime is 1903130143. The reversal of 1903130112 is 2110313091.

It is a super-2 number, since 2×1903130112² = 7243808446402265088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3813639 + ... + 3814137.

It is an arithmetic number, because the mean of its divisors is an integer number (34372800).

Almost surely, 2^1903130112 is an apocalyptic number.

1903130112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1903130112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2749824000).

1903130112 is an abundant number, since it is smaller than the sum of its proper divisors (3596517888).

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

1903130112 is a wasteful number, since it uses less digits than its factorization.

1903130112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 708 counting only the distinct ones).

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

The square root of 1903130112 is about 43624.8795069969. The cubic root of 1903130112 is about 1239.2421036337.

The spelling of 1903130112 in words is "one billion, nine hundred three million, one hundred thirty thousand, one hundred twelve".