13223201031 has 12 divisors (see below), whose sum is σ = 20105452120. Its totient is φ = 8351495280.

The previous prime is 13223200987. The next prime is 13223201087. The reversal of 13223201031 is 13010232231.

It is not a de Polignac number, because 13223201031 - 2¹⁹ = 13222676743 is a prime.

It is a super-2 number, since 2×13223201031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13223200995 and 13223201013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223201231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38664160 + ... + 38664501.

Almost surely, 2^13223201031 is an apocalyptic number.

13223201031 is a deficient number, since it is larger than the sum of its proper divisors (6882251089).

13223201031 is a wasteful number, since it uses less digits than its factorization.

13223201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77328686 (or 77328683 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13223201031 its reverse (13010232231), we get a palindrome (26233433262).

The spelling of 13223201031 in words is "thirteen billion, two hundred twenty-three million, two hundred one thousand, thirty-one".