30030530503 has 4 divisors (see below), whose sum is σ = 31611084760. Its totient is φ = 28449976248.

The previous prime is 30030530471. The next prime is 30030530513. The reversal of 30030530503 is 30503503003.

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 30030530503 - 2⁵ = 30030530471 is a prime.

It is a super-2 number, since 2×30030530503² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030530513) 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, 790277100 + ... + 790277137.

It is an arithmetic number, because the mean of its divisors is an integer number (7902771190).

Almost surely, 2^30030530503 is an apocalyptic number.

30030530503 is a deficient number, since it is larger than the sum of its proper divisors (1580554257).

30030530503 is a wasteful number, since it uses less digits than its factorization.

30030530503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580554256.

The product of its (nonzero) digits is 2025, while the sum is 22.

The spelling of 30030530503 in words is "thirty billion, thirty million, five hundred thirty thousand, five hundred three".