30420111403 has 4 divisors (see below), whose sum is σ = 33185576088. Its totient is φ = 27654646720.

The previous prime is 30420111349. The next prime is 30420111487. The reversal of 30420111403 is 30411102403.

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 30420111403 - 2¹³ = 30420103211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30420111203) 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, 1382732326 + ... + 1382732347.

It is an arithmetic number, because the mean of its divisors is an integer number (8296394022).

Almost surely, 2^30420111403 is an apocalyptic number.

30420111403 is a deficient number, since it is larger than the sum of its proper divisors (2765464685).

30420111403 is a wasteful number, since it uses less digits than its factorization.

30420111403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765464684.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30420111403 its reverse (30411102403), we get a palindrome (60831213806).

The spelling of 30420111403 in words is "thirty billion, four hundred twenty million, one hundred eleven thousand, four hundred three".