31713303522 has 16 divisors (see below), whose sum is σ = 66764849760. Its totient is φ = 10014727392.

The previous prime is 31713303491. The next prime is 31713303529. The reversal of 31713303522 is 22530331713.

It is a self number, because there is not a number n which added to its sum of digits gives 31713303522.

It is not an unprimeable number, because it can be changed into a prime (31713303529) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 139093323 + ... + 139093550.

It is an arithmetic number, because the mean of its divisors is an integer number (4172803110).

Almost surely, 2^31713303522 is an apocalyptic number.

31713303522 is an abundant number, since it is smaller than the sum of its proper divisors (35051546238).

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

31713303522 is a wasteful number, since it uses less digits than its factorization.

31713303522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278186897.

The product of its (nonzero) digits is 11340, while the sum is 30.

The spelling of 31713303522 in words is "thirty-one billion, seven hundred thirteen million, three hundred three thousand, five hundred twenty-two".