31434444444 has 48 divisors (see below), whose sum is σ = 80071188512. Its totient is φ = 9539638272.

The previous prime is 31434444427. The next prime is 31434444451. The reversal of 31434444444 is 44444443413.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1368769 + ... + 1391544.

Almost surely, 2^31434444444 is an apocalyptic number.

It is an amenable number.

31434444444 is an abundant number, since it is smaller than the sum of its proper divisors (48636744068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31434444444 is a wasteful number, since it uses less digits than its factorization.

31434444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760406 (or 2760404 counting only the distinct ones).

The product of its digits is 589824, while the sum is 39.

Adding to 31434444444 its reverse (44444443413), we get a palindrome (75878887857).

The spelling of 31434444444 in words is "thirty-one billion, four hundred thirty-four million, four hundred forty-four thousand, four hundred forty-four".