13831538832413 has 4 divisors (see below), whose sum is σ = 14205364206300. Its totient is φ = 13457713458528.

The previous prime is 13831538832407. The next prime is 13831538832427. The reversal of 13831538832413 is 31423883513831.

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 5338493428324 + 8493045404089 = 2310518^2 + 2914283^2 .

It is a cyclic number.

It is not a de Polignac number, because 13831538832413 - 2¹⁰ = 13831538831389 is a prime.

It is a super-2 number, since 2×13831538832413² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13831538832473) 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, 186912686888 + ... + 186912686961.

It is an arithmetic number, because the mean of its divisors is an integer number (3551341051575).

Almost surely, 2^{13831538832413} is an apocalyptic number.

It is an amenable number.

13831538832413 is a deficient number, since it is larger than the sum of its proper divisors (373825373887).

13831538832413 is an equidigital number, since it uses as much as digits as its factorization.

13831538832413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373825373886.

The product of its digits is 4976640, while the sum is 53.

The spelling of 13831538832413 in words is "thirteen trillion, eight hundred thirty-one billion, five hundred thirty-eight million, eight hundred thirty-two thousand, four hundred thirteen".