30012143403 has 12 divisors (see below), whose sum is σ = 43984739624. Its totient is φ = 18189177600.

The previous prime is 30012143401. The next prime is 30012143419. The reversal of 30012143403 is 30434121003.

It is not a de Polignac number, because 30012143403 - 2¹ = 30012143401 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 30012143403.

It is not an unprimeable number, because it can be changed into a prime (30012143401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41338678 + ... + 41339403.

Almost surely, 2^30012143403 is an apocalyptic number.

30012143403 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30012143403 is a deficient number, since it is larger than the sum of its proper divisors (13972596221).

30012143403 is a wasteful number, since it uses less digits than its factorization.

30012143403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82678106 (or 82678095 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30012143403 its reverse (30434121003), we get a palindrome (60446264406).

The spelling of 30012143403 in words is "thirty billion, twelve million, one hundred forty-three thousand, four hundred three".