131000330 has 24 divisors (see below), whose sum is σ = 241723116. Its totient is φ = 51115520.

The previous prime is 131000321. The next prime is 131000357. The reversal of 131000330 is 33000131.

It can be written as a sum of positive squares in 6 ways, for example, as 26204161 + 104796169 = 5119^2 + 10237^2 .

It is a super-2 number, since 2×131000330² = 34322172920217800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12914 + ... + 20706.

Almost surely, 2^131000330 is an apocalyptic number.

131000330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131000330 is a deficient number, since it is larger than the sum of its proper divisors (110722786).

131000330 is an equidigital number, since it uses as much as digits as its factorization.

131000330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7882 (or 7841 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 131000330 is about 11445.5375583675. The cubic root of 131000330 is about 507.8757342731.

Adding to 131000330 its reverse (33000131), we get a palindrome (164000461).

The spelling of 131000330 in words is "one hundred thirty-one million, three hundred thirty", and thus it is an aban number.