113284022781 has 8 divisors (see below), whose sum is σ = 151047521824. Its totient is φ = 75521602800.

The previous prime is 113284022771. The next prime is 113284022843. The reversal of 113284022781 is 187220482311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113284022781 - 2¹⁰ = 113284021757 is a prime.

It is a super-2 number, since 2×113284022781² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113284022711) 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, 19515 + ... + 476391.

It is an arithmetic number, because the mean of its divisors is an integer number (18880940228).

Almost surely, 2^113284022781 is an apocalyptic number.

It is an amenable number.

113284022781 is a deficient number, since it is larger than the sum of its proper divisors (37763499043).

113284022781 is an equidigital number, since it uses as much as digits as its factorization.

113284022781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539531.

The product of its (nonzero) digits is 43008, while the sum is 39.

The spelling of 113284022781 in words is "one hundred thirteen billion, two hundred eighty-four million, twenty-two thousand, seven hundred eighty-one".