13501000531 has 16 divisors (see below), whose sum is σ = 13747698720. Its totient is φ = 13256605440.

The previous prime is 13501000507. The next prime is 13501000537. The reversal of 13501000531 is 13500010531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13501000531 is a prime.

It is a super-2 number, since 2×13501000531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13501000499 and 13501000508.

It is not an unprimeable number, because it can be changed into a prime (13501000537) 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, 13222801 + ... + 13223821.

It is an arithmetic number, because the mean of its divisors is an integer number (859231170).

Almost surely, 2^13501000531 is an apocalyptic number.

13501000531 is a deficient number, since it is larger than the sum of its proper divisors (246698189).

13501000531 is a wasteful number, since it uses less digits than its factorization.

13501000531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926.

The product of its (nonzero) digits is 225, while the sum is 19.

The spelling of 13501000531 in words is "thirteen billion, five hundred one million, five hundred thirty-one", and thus it is an aban number.