113281308 has 96 divisors (see below), whose sum is σ = 347289600. Its totient is φ = 31243968.

The previous prime is 113281283. The next prime is 113281313. The reversal of 113281308 is 803182311.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19341 + ... + 24507.

It is an arithmetic number, because the mean of its divisors is an integer number (3617600).

Almost surely, 2^113281308 is an apocalyptic number.

113281308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113281308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173644800).

113281308 is an abundant number, since it is smaller than the sum of its proper divisors (234008292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113281308 is a wasteful number, since it uses less digits than its factorization.

113281308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5216 (or 5208 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 113281308 is about 10643.3692034055. The cubic root of 113281308 is about 483.8596626572.

The spelling of 113281308 in words is "one hundred thirteen million, two hundred eighty-one thousand, three hundred eight".