30428744303 has 4 divisors (see below), whose sum is σ = 31002871608. Its totient is φ = 29854617000.

The previous prime is 30428744293. The next prime is 30428744327. The reversal of 30428744303 is 30344782403.

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 30428744303 - 2¹⁶ = 30428678767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30428744903) 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, 287063573 + ... + 287063678.

It is an arithmetic number, because the mean of its divisors is an integer number (7750717902).

Almost surely, 2^30428744303 is an apocalyptic number.

30428744303 is a deficient number, since it is larger than the sum of its proper divisors (574127305).

30428744303 is an equidigital number, since it uses as much as digits as its factorization.

30428744303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574127304.

The product of its (nonzero) digits is 193536, while the sum is 38.

The spelling of 30428744303 in words is "thirty billion, four hundred twenty-eight million, seven hundred forty-four thousand, three hundred three".