13831250338 has 4 divisors (see below), whose sum is σ = 20746875510. Its totient is φ = 6915625168.

The previous prime is 13831250327. The next prime is 13831250413. The reversal of 13831250338 is 83305213831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83305213831 = 7 ⋅11900744833.

It can be written as a sum of positive squares in only one way, i.e., 8360724969 + 5470525369 = 91437^2 + 73963^2 .

It is a super-2 number, since 2×13831250338² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13831250297 and 13831250306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3457812583 + ... + 3457812586.

Almost surely, 2^13831250338 is an apocalyptic number.

13831250338 is a deficient number, since it is larger than the sum of its proper divisors (6915625172).

13831250338 is an equidigital number, since it uses as much as digits as its factorization.

13831250338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6915625171.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 13831250338 in words is "thirteen billion, eight hundred thirty-one million, two hundred fifty thousand, three hundred thirty-eight".