19430604031 has 2 divisors, whose sum is σ = 19430604032. Its totient is φ = 19430604030.

The previous prime is 19430603947. The next prime is 19430604043. The reversal of 19430604031 is 13040603491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19430604031 - 2¹⁷ = 19430472959 is a prime.

It is a super-2 number, since 2×19430604031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19430603984 and 19430604002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19430604931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9715302015 + 9715302016.

It is an arithmetic number, because the mean of its divisors is an integer number (9715302016).

Almost surely, 2^19430604031 is an apocalyptic number.

19430604031 is a deficient number, since it is larger than the sum of its proper divisors (1).

19430604031 is an equidigital number, since it uses as much as digits as its factorization.

19430604031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 19430604031 in words is "nineteen billion, four hundred thirty million, six hundred four thousand, thirty-one".