13315056281 has 8 divisors (see below), whose sum is σ = 13669850304. Its totient is φ = 12964098160.

The previous prime is 13315056277. The next prime is 13315056289. The reversal of 13315056281 is 18265051331.

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 13315056281 - 2² = 13315056277 is a prime.

It is a super-2 number, since 2×13315056281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13315056289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951941 + ... + 965826.

It is an arithmetic number, because the mean of its divisors is an integer number (1708731288).

Almost surely, 2^13315056281 is an apocalyptic number.

It is an amenable number.

13315056281 is a deficient number, since it is larger than the sum of its proper divisors (354794023).

13315056281 is a wasteful number, since it uses less digits than its factorization.

13315056281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917951.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 13315056281 in words is "thirteen billion, three hundred fifteen million, fifty-six thousand, two hundred eighty-one".