103130919 has 24 divisors (see below), whose sum is σ = 156854880. Its totient is φ = 65167872.

The previous prime is 103130887. The next prime is 103130921. The reversal of 103130919 is 919031301.

It is not a de Polignac number, because 103130919 - 2⁵ = 103130887 is a prime.

It is a super-2 number, since 2×103130919² = 21271972907569122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103130892 and 103130901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103130519) 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, 21187 + ... + 25595.

It is an arithmetic number, because the mean of its divisors is an integer number (6535620).

Almost surely, 2^103130919 is an apocalyptic number.

103130919 is a deficient number, since it is larger than the sum of its proper divisors (53723961).

103130919 is a wasteful number, since it uses less digits than its factorization.

103130919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551 (or 4548 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 27.

The square root of 103130919 is about 10155.3394330273. The cubic root of 103130919 is about 468.9533355705.

The spelling of 103130919 in words is "one hundred three million, one hundred thirty thousand, nine hundred nineteen".