131302330 has 8 divisors (see below), whose sum is σ = 236344212. Its totient is φ = 52520928.

The previous prime is 131302321. The next prime is 131302333. The reversal of 131302330 is 33203131.

It can be written as a sum of positive squares in 2 ways, for example, as 129345129 + 1957201 = 11373^2 + 1399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (131302333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6565107 + ... + 6565126.

Almost surely, 2^131302330 is an apocalyptic number.

131302330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131302330 is a deficient number, since it is larger than the sum of its proper divisors (105041882).

131302330 is a wasteful number, since it uses less digits than its factorization.

131302330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13130240.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 131302330 is about 11458.7228782269. The cubic root of 131302330 is about 508.2657097778.

Adding to 131302330 its reverse (33203131), we get a palindrome (164505461).

The spelling of 131302330 in words is "one hundred thirty-one million, three hundred two thousand, three hundred thirty".