13530031541 has 4 divisors (see below), whose sum is σ = 14570803212. Its totient is φ = 12489259872.

The previous prime is 13530031531. The next prime is 13530031547. The reversal of 13530031541 is 14513003531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1540876516 + 11989155025 = 39254^2 + 109495^2 .

It is a cyclic number.

It is not a de Polignac number, because 13530031541 - 2¹⁸ = 13529769397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13530031541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530031547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520385816 + ... + 520385841.

It is an arithmetic number, because the mean of its divisors is an integer number (3642700803).

Almost surely, 2^13530031541 is an apocalyptic number.

It is an amenable number.

13530031541 is a deficient number, since it is larger than the sum of its proper divisors (1040771671).

13530031541 is a wasteful number, since it uses less digits than its factorization.

13530031541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040771670.

The product of its (nonzero) digits is 2700, while the sum is 26.

The spelling of 13530031541 in words is "thirteen billion, five hundred thirty million, thirty-one thousand, five hundred forty-one".