31841480838 has 32 divisors (see below), whose sum is σ = 64083144672. Its totient is φ = 10547251200.

The previous prime is 31841480819. The next prime is 31841480851. The reversal of 31841480838 is 83808414813.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

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, 1075068 + ... + 1104288.

It is an arithmetic number, because the mean of its divisors is an integer number (2002598271).

Almost surely, 2^31841480838 is an apocalyptic number.

31841480838 is an abundant number, since it is smaller than the sum of its proper divisors (32241663834).

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

31841480838 is a wasteful number, since it uses less digits than its factorization.

31841480838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30360.

The product of its (nonzero) digits is 589824, while the sum is 48.

The spelling of 31841480838 in words is "thirty-one billion, eight hundred forty-one million, four hundred eighty thousand, eight hundred thirty-eight".