13531305514 has 8 divisors (see below), whose sum is σ = 20409096708. Its totient is φ = 6728273280.

The previous prime is 13531305511. The next prime is 13531305517. The reversal of 13531305514 is 41550313531.

It is an interprime number because it is at equal distance from previous prime (13531305511) and next prime (13531305517).

It can be written as a sum of positive squares in 2 ways, for example, as 10421347225 + 3109958289 = 102085^2 + 55767^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13531305511) 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, 18689287 + ... + 18690010.

Almost surely, 2^13531305514 is an apocalyptic number.

13531305514 is a deficient number, since it is larger than the sum of its proper divisors (6877791194).

13531305514 is a wasteful number, since it uses less digits than its factorization.

13531305514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37379480.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 13531305514 in words is "thirteen billion, five hundred thirty-one million, three hundred five thousand, five hundred fourteen".