47831130 has 24 divisors (see below), whose sum is σ = 124361172. Its totient is φ = 12754944.

The previous prime is 47831129. The next prime is 47831131. The reversal of 47831130 is 3113874.

It is an interprime number because it is at equal distance from previous prime (47831129) and next prime (47831131).

It can be written as a sum of positive squares in 2 ways, for example, as 43204329 + 4626801 = 6573^2 + 2151^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47831094 and 47831103.

It is not an unprimeable number, because it can be changed into a prime (47831131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265639 + ... + 265818.

Almost surely, 2^47831130 is an apocalyptic number.

47831130 is an abundant number, since it is smaller than the sum of its proper divisors (76530042).

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

47831130 is a wasteful number, since it uses less digits than its factorization.

47831130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531470 (or 531467 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 47831130 is about 6916.0053499112. The cubic root of 47831130 is about 362.9974272978.

It can be divided in two parts, 47831 and 130, that added together give a square (47961 = 219²).

The spelling of 47831130 in words is "forty-seven million, eight hundred thirty-one thousand, one hundred thirty".