1331302230 has 96 divisors (see below), whose sum is σ = 3657667104. Its totient is φ = 348281856.

The previous prime is 1331302229. The next prime is 1331302237. The reversal of 1331302230 is 322031331.

1331302230 is a `hidden beast` number, since 1 + 331 + 302 + 2 + 30 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331302237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123622 + ... + 133958.

It is an arithmetic number, because the mean of its divisors is an integer number (38100699).

Almost surely, 2^1331302230 is an apocalyptic number.

1331302230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331302230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1828833552).

1331302230 is an abundant number, since it is smaller than the sum of its proper divisors (2326364874).

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

1331302230 is a wasteful number, since it uses less digits than its factorization.

1331302230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10412 (or 10400 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1331302230 is about 36487.0145394221. The cubic root of 1331302230 is about 1100.0832526521.

Adding to 1331302230 its reverse (322031331), we get a palindrome (1653333561).

The spelling of 1331302230 in words is "one billion, three hundred thirty-one million, three hundred two thousand, two hundred thirty".