113281810 has 8 divisors (see below), whose sum is σ = 203907276. Its totient is φ = 45312720.

The previous prime is 113281807. The next prime is 113281837. The reversal of 113281810 is 18182311.

It can be written as a sum of positive squares in 2 ways, for example, as 92332881 + 20948929 = 9609^2 + 4577^2 .

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

It is a super-2 number, since 2×113281810² = 25665536953752200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5664081 + ... + 5664100.

Almost surely, 2^113281810 is an apocalyptic number.

113281810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113281810 is a deficient number, since it is larger than the sum of its proper divisors (90625466).

113281810 is a wasteful number, since it uses less digits than its factorization.

113281810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11328188.

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 113281810 is about 10643.3927861373. The cubic root of 113281810 is about 483.8603773888.

The spelling of 113281810 in words is "one hundred thirteen million, two hundred eighty-one thousand, eight hundred ten".