13530314231 has 8 divisors (see below), whose sum is σ = 15485031840. Its totient is φ = 11581050528.

The previous prime is 13530314227. The next prime is 13530314249. The reversal of 13530314231 is 13241303531.

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

It is a cyclic number.

It is not a de Polignac number, because 13530314231 - 2² = 13530314227 is a prime.

It is a super-2 number, since 2×13530314231² (a number of 21 digits) contains 22 as substring.

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 13530314231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530314251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358156 + ... + 1368081.

It is an arithmetic number, because the mean of its divisors is an integer number (1935628980).

Almost surely, 2^13530314231 is an apocalyptic number.

13530314231 is a deficient number, since it is larger than the sum of its proper divisors (1954717609).

13530314231 is an equidigital number, since it uses as much as digits as its factorization.

13530314231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726953.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 13530314231 its reverse (13241303531), we get a palindrome (26771617762).

The spelling of 13530314231 in words is "thirteen billion, five hundred thirty million, three hundred fourteen thousand, two hundred thirty-one".