30431603019 has 4 divisors (see below), whose sum is σ = 40575470696. Its totient is φ = 20287735344.

The previous prime is 30431602997. The next prime is 30431603039. The reversal of 30431603019 is 91030613403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91030613403 = 3 ⋅30343537801.

It is not a de Polignac number, because 30431603019 - 2⁵ = 30431602987 is a prime.

It is a super-2 number, since 2×30431603019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30431603039) 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, 5071933834 + ... + 5071933839.

It is an arithmetic number, because the mean of its divisors is an integer number (10143867674).

Almost surely, 2^30431603019 is an apocalyptic number.

30431603019 is a deficient number, since it is larger than the sum of its proper divisors (10143867677).

30431603019 is a wasteful number, since it uses less digits than its factorization.

30431603019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10143867676.

The product of its (nonzero) digits is 5832, while the sum is 30.

The spelling of 30431603019 in words is "thirty billion, four hundred thirty-one million, six hundred three thousand, nineteen".