13531201324 has 12 divisors (see below), whose sum is σ = 23708878200. Its totient is φ = 6757236128.

The previous prime is 13531201261. The next prime is 13531201331. The reversal of 13531201324 is 42310213531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2087494 + ... + 2093965.

It is an arithmetic number, because the mean of its divisors is an integer number (1975739850).

Almost surely, 2^13531201324 is an apocalyptic number.

It is an amenable number.

13531201324 is a deficient number, since it is larger than the sum of its proper divisors (10177676876).

13531201324 is a wasteful number, since it uses less digits than its factorization.

13531201324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4182272 (or 4182270 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 13531201324 its reverse (42310213531), we get a palindrome (55841414855).

The spelling of 13531201324 in words is "thirteen billion, five hundred thirty-one million, two hundred one thousand, three hundred twenty-four".