5131230 has 64 divisors (see below), whose sum is σ = 13547520. Its totient is φ = 1236096.

The previous prime is 5131223. The next prime is 5131237. The reversal of 5131230 is 321315.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5131223) and next prime (5131237).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22899 + ... + 23121.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

Almost surely, 2^5131230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5131230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6773760).

5131230 is an abundant number, since it is smaller than the sum of its proper divisors (8416290).

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

5131230 is a wasteful number, since it uses less digits than its factorization.

5131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 5131230 is about 2265.2218434405. The cubic root of 5131230 is about 172.4806951721.

Adding to 5131230 its reverse (321315), we get a palindrome (5452545).

The spelling of 5131230 in words is "five million, one hundred thirty-one thousand, two hundred thirty".