13323031434 has 24 divisors (see below), whose sum is σ = 28872136800. Its totient is φ = 4440153768.

The previous prime is 13323031399. The next prime is 13323031457. The reversal of 13323031434 is 43413032331.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13323031398 and 13323031407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28267 + ... + 165665.

It is an arithmetic number, because the mean of its divisors is an integer number (1203005700).

Almost surely, 2^13323031434 is an apocalyptic number.

13323031434 is an abundant number, since it is smaller than the sum of its proper divisors (15549105366).

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

13323031434 is a wasteful number, since it uses less digits than its factorization.

13323031434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142794 (or 142791 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 13323031434 its reverse (43413032331), we get a palindrome (56736063765).

The spelling of 13323031434 in words is "thirteen billion, three hundred twenty-three million, thirty-one thousand, four hundred thirty-four".