131330001 has 16 divisors (see below), whose sum is σ = 191351808. Its totient is φ = 79458000.

The previous prime is 131329999. The next prime is 131330021. The reversal of 131330001 is 100033131.

It is not a de Polignac number, because 131330001 - 2¹ = 131329999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131330021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18276 + ... + 24426.

It is an arithmetic number, because the mean of its divisors is an integer number (11959488).

Almost surely, 2^131330001 is an apocalyptic number.

131330001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131330001 is a deficient number, since it is larger than the sum of its proper divisors (60021807).

131330001 is a wasteful number, since it uses less digits than its factorization.

131330001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6812.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 131330001 is about 11459.9302353897. The cubic root of 131330001 is about 508.3014116895.

Adding to 131330001 its reverse (100033131), we get a palindrome (231363132).

The spelling of 131330001 in words is "one hundred thirty-one million, three hundred thirty thousand, one".