13223210331 has 16 divisors (see below), whose sum is σ = 18414374400. Its totient is φ = 8431836768.

The previous prime is 13223210281. The next prime is 13223210389. The reversal of 13223210331 is 13301232231.

It is not a de Polignac number, because 13223210331 - 2⁶ = 13223210267 is a prime.

It is a super-2 number, since 2×13223210331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13223210298 and 13223210307.

It is not an unprimeable number, because it can be changed into a prime (13223210431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1003011 + ... + 1016108.

It is an arithmetic number, because the mean of its divisors is an integer number (1150898400).

Almost surely, 2^13223210331 is an apocalyptic number.

13223210331 is a deficient number, since it is larger than the sum of its proper divisors (5191164069).

13223210331 is a wasteful number, since it uses less digits than its factorization.

13223210331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019218.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13223210331 its reverse (13301232231), we get a palindrome (26524442562).

The spelling of 13223210331 in words is "thirteen billion, two hundred twenty-three million, two hundred ten thousand, three hundred thirty-one".