30160172903 has 4 divisors (see below), whose sum is σ = 34468769040. Its totient is φ = 25851576768.

The previous prime is 30160172881. The next prime is 30160172909. The reversal of 30160172903 is 30927106103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30160172903 - 2¹² = 30160168807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30160172903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30160172909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2154298058 + ... + 2154298071.

It is an arithmetic number, because the mean of its divisors is an integer number (8617192260).

Almost surely, 2^30160172903 is an apocalyptic number.

30160172903 is a deficient number, since it is larger than the sum of its proper divisors (4308596137).

30160172903 is an equidigital number, since it uses as much as digits as its factorization.

30160172903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308596136.

The product of its (nonzero) digits is 6804, while the sum is 32.

The spelling of 30160172903 in words is "thirty billion, one hundred sixty million, one hundred seventy-two thousand, nine hundred three".