47231100 has 360 divisors, whose sum is σ = 189050400. Its totient is φ = 10160640.

The previous prime is 47231069. The next prime is 47231113. The reversal of 47231100 is 113274.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2778292 + ... + 2778308.

It is an arithmetic number, because the mean of its divisors is an integer number (525140).

Almost surely, 2^47231100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47231100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94525200).

47231100 is an abundant number, since it is smaller than the sum of its proper divisors (141819300).

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

47231100 is a wasteful number, since it uses less digits than its factorization.

47231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 47231100 is about 6872.4886322205. The cubic root of 47231100 is about 361.4731303525.

Adding to 47231100 its reverse (113274), we get a palindrome (47344374).

The spelling of 47231100 in words is "forty-seven million, two hundred thirty-one thousand, one hundred".