13943831056 has 45 divisors (see below), whose sum is σ = 27585053671. Its totient is φ = 6828089216.

The previous prime is 13943831023. The next prime is 13943831101. The reversal of 13943831056 is 65013834931.

The square root of 13943831056 is 118084.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 893053456 + 13050777600 = 29884^2 + 114240^2 .

It is a super-3 number, since 3×13943831056³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25033530 + ... + 25034086.

Almost surely, 2^13943831056 is an apocalyptic number.

13943831056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

13943831056 is the 118084-th square number.

It is an amenable number.

13943831056 is a deficient number, since it is larger than the sum of its proper divisors (13641222615).

13943831056 is an frugal number, since it uses more digits than its factorization.

13943831056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 13943831056 in words is "thirteen billion, nine hundred forty-three million, eight hundred thirty-one thousand, fifty-six".