13931394322 has 4 divisors (see below), whose sum is σ = 20897091486. Its totient is φ = 6965697160.

The previous prime is 13931394319. The next prime is 13931394383. The reversal of 13931394322 is 22349313931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13789570041 + 141824281 = 117429^2 + 11909^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3482848579 + ... + 3482848582.

Almost surely, 2^13931394322 is an apocalyptic number.

13931394322 is a deficient number, since it is larger than the sum of its proper divisors (6965697164).

13931394322 is an equidigital number, since it uses as much as digits as its factorization.

13931394322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965697163.

The product of its digits is 104976, while the sum is 40.

The spelling of 13931394322 in words is "thirteen billion, nine hundred thirty-one million, three hundred ninety-four thousand, three hundred twenty-two".