13201321434 has 16 divisors (see below), whose sum is σ = 30174449088. Its totient is φ = 3771806112.

The previous prime is 13201321433. The next prime is 13201321439. The reversal of 13201321434 is 43412310231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13201321433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157158547 + ... + 157158630.

It is an arithmetic number, because the mean of its divisors is an integer number (1885903068).

Almost surely, 2^13201321434 is an apocalyptic number.

13201321434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13201321434 is an abundant number, since it is smaller than the sum of its proper divisors (16973127654).

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

13201321434 is a wasteful number, since it uses less digits than its factorization.

13201321434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314317189.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13201321434 its reverse (43412310231), we get a palindrome (56613631665).

The spelling of 13201321434 in words is "thirteen billion, two hundred one million, three hundred twenty-one thousand, four hundred thirty-four".