30431013403 has 4 divisors (see below), whose sum is σ = 34778301040. Its totient is φ = 26083725768.

The previous prime is 30431013401. The next prime is 30431013409.

It is a happy number.

30431013403 is nontrivially palindromic in base 10.

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 30431013403 - 2¹ = 30431013401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30431013401) 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, 2173643808 + ... + 2173643821.

It is an arithmetic number, because the mean of its divisors is an integer number (8694575260).

Almost surely, 2^30431013403 is an apocalyptic number.

30431013403 is a deficient number, since it is larger than the sum of its proper divisors (4347287637).

30431013403 is an equidigital number, since it uses as much as digits as its factorization.

30431013403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347287636.

The product of its (nonzero) digits is 1296, while the sum is 22.

It can be divided in two parts, 304310 and 13403, that added together give a palindrome (317713).

The spelling of 30431013403 in words is "thirty billion, four hundred thirty-one million, thirteen thousand, four hundred three".