31368621814 has 8 divisors (see below), whose sum is σ = 47518803648. Its totient is φ = 15529020600.

The previous prime is 31368621811. The next prime is 31368621841. The reversal of 31368621814 is 41812686313.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31368621811) 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 3 ways as a sum of consecutive naturals, for example, 77644902 + ... + 77645305.

It is an arithmetic number, because the mean of its divisors is an integer number (5939850456).

Almost surely, 2^31368621814 is an apocalyptic number.

31368621814 is a deficient number, since it is larger than the sum of its proper divisors (16150181834).

31368621814 is a wasteful number, since it uses less digits than its factorization.

31368621814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155290310.

The product of its digits is 165888, while the sum is 43.

The spelling of 31368621814 in words is "thirty-one billion, three hundred sixty-eight million, six hundred twenty-one thousand, eight hundred fourteen".