13422031306 has 4 divisors (see below), whose sum is σ = 20133046962. Its totient is φ = 6711015652.

The previous prime is 13422031291. The next prime is 13422031351. The reversal of 13422031306 is 60313022431.

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., 7219051225 + 6202980081 = 84965^2 + 78759^2 .

It is a super-3 number, since 3×13422031306³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3355507825 + ... + 3355507828.

Almost surely, 2^13422031306 is an apocalyptic number.

13422031306 is a deficient number, since it is larger than the sum of its proper divisors (6711015656).

13422031306 is an equidigital number, since it uses as much as digits as its factorization.

13422031306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711015655.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 13422031306 its reverse (60313022431), we get a palindrome (73735053737).

The spelling of 13422031306 in words is "thirteen billion, four hundred twenty-two million, thirty-one thousand, three hundred six".