8231130 has 24 divisors (see below), whose sum is σ = 21401172. Its totient is φ = 2194944.

The previous prime is 8231107. The next prime is 8231137. The reversal of 8231130 is 311328.

It can be written as a sum of positive squares in 2 ways, for example, as 7767369 + 463761 = 2787^2 + 681^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8231137) 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, 45639 + ... + 45818.

Almost surely, 2^8231130 is an apocalyptic number.

8231130 is an abundant number, since it is smaller than the sum of its proper divisors (13170042).

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

8231130 is a wasteful number, since it uses less digits than its factorization.

8231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91470 (or 91467 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 8231130 is about 2868.9945974156. The cubic root of 8231130 is about 201.9078264568.

Adding to 8231130 its reverse (311328), we get a palindrome (8542458).

It can be divided in two parts, 823 and 1130, that added together give a triangular number (1953 = T₆₂).

The spelling of 8231130 in words is "eight million, two hundred thirty-one thousand, one hundred thirty".