13431014343056 has 20 divisors (see below), whose sum is σ = 26106264223104. Its totient is φ = 6693913898400.

The previous prime is 13431014343049. The next prime is 13431014343059. The reversal of 13431014343056 is 65034341013431.

It is not an unprimeable number, because it can be changed into a prime (13431014343059) 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, 1349574440 + ... + 1349584391.

Almost surely, 2^{13431014343056} is an apocalyptic number.

13431014343056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13431014343056 is a deficient number, since it is larger than the sum of its proper divisors (12675249880048).

13431014343056 is a wasteful number, since it uses less digits than its factorization.

13431014343056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699159150 (or 2699159144 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 13431014343056 its reverse (65034341013431), we get a palindrome (78465355356487).

The spelling of 13431014343056 in words is "thirteen trillion, four hundred thirty-one billion, fourteen million, three hundred forty-three thousand, fifty-six".