113280281131 has 4 divisors (see below), whose sum is σ = 113376201264. Its totient is φ = 113184361000.

The previous prime is 113280281123. The next prime is 113280281221. The reversal of 113280281131 is 131182082311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113280281131 - 2³ = 113280281123 is a prime.

It is a super-2 number, since 2×113280281131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113280281093 and 113280281102.

It is not an unprimeable number, because it can be changed into a prime (183280281131) by changing a digit.

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, 47958295 + ... + 47960656.

It is an arithmetic number, because the mean of its divisors is an integer number (28344050316).

Almost surely, 2^113280281131 is an apocalyptic number.

113280281131 is a deficient number, since it is larger than the sum of its proper divisors (95920133).

113280281131 is an equidigital number, since it uses as much as digits as its factorization.

113280281131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95920132.

The product of its (nonzero) digits is 2304, while the sum is 31.

The spelling of 113280281131 in words is "one hundred thirteen billion, two hundred eighty million, two hundred eighty-one thousand, one hundred thirty-one".