31748466338 has 8 divisors (see below), whose sum is σ = 47663027100. Its totient is φ = 15860790640.

The previous prime is 31748466187. The next prime is 31748466353. The reversal of 31748466338 is 83366484713.

It can be written as a sum of positive squares in 2 ways, for example, as 31262836969 + 485629369 = 176813^2 + 22037^2 .

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

It is a super-2 number, since 2×31748466338² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31748466338.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6718313 + ... + 6723036.

Almost surely, 2^31748466338 is an apocalyptic number.

31748466338 is a deficient number, since it is larger than the sum of its proper divisors (15914560762).

31748466338 is a wasteful number, since it uses less digits than its factorization.

31748466338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13442532.

The product of its digits is 6967296, while the sum is 53.

The spelling of 31748466338 in words is "thirty-one billion, seven hundred forty-eight million, four hundred sixty-six thousand, three hundred thirty-eight".