31714763478 has 16 divisors (see below), whose sum is σ = 63576700416. Its totient is φ = 10547058920.

The previous prime is 31714763471. The next prime is 31714763519. The reversal of 31714763478 is 87436741713.

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 31714763478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31714763471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6129426 + ... + 6134597.

It is an arithmetic number, because the mean of its divisors is an integer number (3973543776).

Almost surely, 2^31714763478 is an apocalyptic number.

31714763478 is an abundant number, since it is smaller than the sum of its proper divisors (31861936938).

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

31714763478 is a wasteful number, since it uses less digits than its factorization.

31714763478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12264459.

The product of its digits is 2370816, while the sum is 51.

The spelling of 31714763478 in words is "thirty-one billion, seven hundred fourteen million, seven hundred sixty-three thousand, four hundred seventy-eight".