312200130 has 64 divisors (see below), whose sum is σ = 820647936. Its totient is φ = 75384000.

The previous prime is 312200099. The next prime is 312200159. The reversal of 312200130 is 31002213.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87685 + ... + 91175.

It is an arithmetic number, because the mean of its divisors is an integer number (12822624).

Almost surely, 2^312200130 is an apocalyptic number.

312200130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 312200130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410323968).

312200130 is an abundant number, since it is smaller than the sum of its proper divisors (508447806).

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

312200130 is a wasteful number, since it uses less digits than its factorization.

312200130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 312200130 is about 17669.1858895649. The cubic root of 312200130 is about 678.3872753733.

Adding to 312200130 its reverse (31002213), we get a palindrome (343202343).

The spelling of 312200130 in words is "three hundred twelve million, two hundred thousand, one hundred thirty".