338671531481 has 8 divisors (see below), whose sum is σ = 358734112200. Its totient is φ = 318624587008.

The previous prime is 338671531453. The next prime is 338671531489. The reversal of 338671531481 is 184135176833.

It can be written as a sum of positive squares in 4 ways, for example, as 186637824256 + 152033707225 = 432016^2 + 389915^2 .

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 338671531481 - 2¹⁴ = 338671515097 is a prime.

It is a super-2 number, since 2×338671531481² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338671531489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3864446 + ... + 3951111.

It is an arithmetic number, because the mean of its divisors is an integer number (44841764025).

Almost surely, 2^338671531481 is an apocalyptic number.

It is an amenable number.

338671531481 is a deficient number, since it is larger than the sum of its proper divisors (20062580719).

338671531481 is a wasteful number, since it uses less digits than its factorization.

338671531481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7818123.

The product of its digits is 1451520, while the sum is 50.

The spelling of 338671531481 in words is "three hundred thirty-eight billion, six hundred seventy-one million, five hundred thirty-one thousand, four hundred eighty-one".