113327781 has 32 divisors (see below), whose sum is σ = 178679040. Its totient is φ = 62539776.

The previous prime is 113327741. The next prime is 113327801. The reversal of 113327781 is 187723311.

It is not a de Polignac number, because 113327781 - 2⁶ = 113327717 is a prime.

It is a super-2 number, since 2×113327781² = 25686371892767922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113327741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121525 + ... + 122453.

It is an arithmetic number, because the mean of its divisors is an integer number (5583720).

Almost surely, 2^113327781 is an apocalyptic number.

It is an amenable number.

113327781 is a deficient number, since it is larger than the sum of its proper divisors (65351259).

113327781 is a wasteful number, since it uses less digits than its factorization.

113327781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133.

The product of its digits is 7056, while the sum is 33.

The square root of 113327781 is about 10645.5521698031. The cubic root of 113327781 is about 483.9258204850.

The spelling of 113327781 in words is "one hundred thirteen million, three hundred twenty-seven thousand, seven hundred eighty-one".