13110939281 has 4 divisors (see below), whose sum is σ = 14302842864. Its totient is φ = 11919035700.

The previous prime is 13110939277. The next prime is 13110939293. The reversal of 13110939281 is 18293901131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13110939281 - 2² = 13110939277 is a prime.

It is a super-2 number, since 2×13110939281² (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 (13110939221) 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, 595951775 + ... + 595951796.

It is an arithmetic number, because the mean of its divisors is an integer number (3575710716).

Almost surely, 2^13110939281 is an apocalyptic number.

13110939281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13110939281 is a deficient number, since it is larger than the sum of its proper divisors (1191903583).

13110939281 is a wasteful number, since it uses less digits than its factorization.

13110939281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191903582.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 13110939281 in words is "thirteen billion, one hundred ten million, nine hundred thirty-nine thousand, two hundred eighty-one".