13131023322 has 16 divisors (see below), whose sum is σ = 26264589120. Its totient is φ = 4376584032.

The previous prime is 13131023317. The next prime is 13131023359. The reversal of 13131023322 is 22332013131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35158 + ... + 165825.

It is an arithmetic number, because the mean of its divisors is an integer number (1641536820).

Almost surely, 2^13131023322 is an apocalyptic number.

13131023322 is an abundant number, since it is smaller than the sum of its proper divisors (13133565798).

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

13131023322 is a wasteful number, since it uses less digits than its factorization.

13131023322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211877.

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

Adding to 13131023322 its reverse (22332013131), we get a palindrome (35463036453).

The spelling of 13131023322 in words is "thirteen billion, one hundred thirty-one million, twenty-three thousand, three hundred twenty-two".