113213388 has 24 divisors (see below), whose sum is σ = 266248192. Its totient is φ = 37440144.

The previous prime is 113213371. The next prime is 113213407. The reversal of 113213388 is 883312311.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35620 + ... + 38667.

Almost surely, 2^113213388 is an apocalyptic number.

It is an amenable number.

113213388 is an abundant number, since it is smaller than the sum of its proper divisors (153034804).

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

113213388 is a wasteful number, since it uses less digits than its factorization.

113213388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74421 (or 74419 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 113213388 is about 10640.1780060298. The cubic root of 113213388 is about 483.7629408499.

Adding to 113213388 its reverse (883312311), we get a palindrome (996525699).

The spelling of 113213388 in words is "one hundred thirteen million, two hundred thirteen thousand, three hundred eighty-eight".