47100312 has 64 divisors (see below), whose sum is σ = 149529600. Its totient is φ = 13456800.

The previous prime is 47100311. The next prime is 47100323. The reversal of 47100312 is 21300174.

47100312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47100311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14064 + ... + 17087.

It is an arithmetic number, because the mean of its divisors is an integer number (2336400).

Almost surely, 2^47100312 is an apocalyptic number.

47100312 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

47100312 is an abundant number, since it is smaller than the sum of its proper divisors (102429288).

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

47100312 is a wasteful number, since it uses less digits than its factorization.

47100312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31173 (or 31163 counting only the distinct ones).

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

The square root of 47100312 is about 6862.9667054416. The cubic root of 47100312 is about 361.1391692351.

Adding to 47100312 its reverse (21300174), we get a palindrome (68400486).

The spelling of 47100312 in words is "forty-seven million, one hundred thousand, three hundred twelve".