13531211334 has 12 divisors (see below), whose sum is σ = 29317624596. Its totient is φ = 4510403772.

The previous prime is 13531211327. The next prime is 13531211339. The reversal of 13531211334 is 43311213531.

13531211334 is a `hidden beast` number, since 1 + 3 + 5 + 312 + 11 + 334 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 13531211298 and 13531211307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531211339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 375866964 + ... + 375866999.

It is an arithmetic number, because the mean of its divisors is an integer number (2443135383).

Almost surely, 2^13531211334 is an apocalyptic number.

13531211334 is an abundant number, since it is smaller than the sum of its proper divisors (15786413262).

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

13531211334 is a wasteful number, since it uses less digits than its factorization.

13531211334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751733971 (or 751733968 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

Adding to 13531211334 its reverse (43311213531), we get a palindrome (56842424865).

The spelling of 13531211334 in words is "thirteen billion, five hundred thirty-one million, two hundred eleven thousand, three hundred thirty-four".