13531343501 has 16 divisors (see below), whose sum is σ = 15055936896. Its totient is φ = 12081496896.

The previous prime is 13531343471. The next prime is 13531343521. The reversal of 13531343501 is 10534313531.

It is a cyclic number.

It is not a de Polignac number, because 13531343501 - 2¹⁸ = 13531081357 is a prime.

It is a super-3 number, since 3×13531343501³ (a number of 31 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531343521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59930 + ... + 175083.

It is an arithmetic number, because the mean of its divisors is an integer number (940996056).

Almost surely, 2^13531343501 is an apocalyptic number.

It is an amenable number.

13531343501 is a deficient number, since it is larger than the sum of its proper divisors (1524593395).

13531343501 is a wasteful number, since it uses less digits than its factorization.

13531343501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235172.

The product of its (nonzero) digits is 8100, while the sum is 29.

The spelling of 13531343501 in words is "thirteen billion, five hundred thirty-one million, three hundred forty-three thousand, five hundred one".