31420839419 has 8 divisors (see below), whose sum is σ = 32800312320. Its totient is φ = 30042479016.

The previous prime is 31420839397. The next prime is 31420839427. The reversal of 31420839419 is 91493802413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31420839419 - 2¹⁶ = 31420773883 is a prime.

It is a super-2 number, since 2×31420839419² (a number of 22 digits) contains 22 as substring.

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 31420839419.

It is not an unprimeable number, because it can be changed into a prime (31420839479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220139 + ... + 333620.

It is an arithmetic number, because the mean of its divisors is an integer number (4100039040).

Almost surely, 2^31420839419 is an apocalyptic number.

31420839419 is a deficient number, since it is larger than the sum of its proper divisors (1379472901).

31420839419 is a wasteful number, since it uses less digits than its factorization.

31420839419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556249.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 31420839419 in words is "thirty-one billion, four hundred twenty million, eight hundred thirty-nine thousand, four hundred nineteen".