131303930 has 8 divisors (see below), whose sum is σ = 236347092. Its totient is φ = 52521568.

The previous prime is 131303923. The next prime is 131303957. The reversal of 131303930 is 39303131.

It can be written as a sum of positive squares in 2 ways, for example, as 126720049 + 4583881 = 11257^2 + 2141^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 131303896 and 131303905.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6565187 + ... + 6565206.

Almost surely, 2^131303930 is an apocalyptic number.

131303930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131303930 is a deficient number, since it is larger than the sum of its proper divisors (105043162).

131303930 is a wasteful number, since it uses less digits than its factorization.

131303930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13130400.

The product of its (nonzero) digits is 729, while the sum is 23.

The square root of 131303930 is about 11458.7926938225. The cubic root of 131303930 is about 508.2677742799.

The spelling of 131303930 in words is "one hundred thirty-one million, three hundred three thousand, nine hundred thirty".