31219537014 has 24 divisors (see below), whose sum is σ = 67746903120. Its totient is φ = 10390424208.

The previous prime is 31219536977. The next prime is 31219537049. The reversal of 31219537014 is 41073591213.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31219537014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1328709 + ... + 1352000.

It is an arithmetic number, because the mean of its divisors is an integer number (2822787630).

Almost surely, 2^31219537014 is an apocalyptic number.

31219537014 is an abundant number, since it is smaller than the sum of its proper divisors (36527366106).

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

31219537014 is a wasteful number, since it uses less digits than its factorization.

31219537014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681364 (or 2681361 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 31219537014 in words is "thirty-one billion, two hundred nineteen million, five hundred thirty-seven thousand, fourteen".