13031123322 has 64 divisors (see below), whose sum is σ = 31593729024. Its totient is φ = 3497921280.

The previous prime is 13031123263. The next prime is 13031123359. The reversal of 13031123322 is 22332113031.

13031123322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391713 + ... + 423675.

It is an arithmetic number, because the mean of its divisors is an integer number (493652016).

Almost surely, 2^13031123322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13031123322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15796864512).

13031123322 is an abundant number, since it is smaller than the sum of its proper divisors (18562605702).

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

13031123322 is a wasteful number, since it uses less digits than its factorization.

13031123322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32563.

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

Adding to 13031123322 its reverse (22332113031), we get a palindrome (35363236353).

The spelling of 13031123322 in words is "thirteen billion, thirty-one million, one hundred twenty-three thousand, three hundred twenty-two".