300131220 has 48 divisors (see below), whose sum is σ = 884600640. Its totient is φ = 75822336.

The previous prime is 300131219. The next prime is 300131267. The reversal of 300131220 is 22131003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 300131196 and 300131205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130497 + ... + 132776.

It is an arithmetic number, because the mean of its divisors is an integer number (18429180).

Almost surely, 2^300131220 is an apocalyptic number.

300131220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

300131220 is an abundant number, since it is smaller than the sum of its proper divisors (584469420).

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

300131220 is a wasteful number, since it uses less digits than its factorization.

300131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263304 (or 263302 counting only the distinct ones).

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

The square root of 300131220 is about 17324.2956566782. The cubic root of 300131220 is about 669.5305391792.

Adding to 300131220 its reverse (22131003), we get a palindrome (322262223).

The spelling of 300131220 in words is "three hundred million, one hundred thirty-one thousand, two hundred twenty".