131273001 has 16 divisors (see below), whose sum is σ = 194917120. Its totient is φ = 87318000.

The previous prime is 131272991. The next prime is 131273027. The reversal of 131273001 is 100372131.

It is not a de Polignac number, because 131273001 - 2⁵ = 131272969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131273041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7251 + ... + 17751.

It is an arithmetic number, because the mean of its divisors is an integer number (12182320).

Almost surely, 2^131273001 is an apocalyptic number.

It is an amenable number.

131273001 is a deficient number, since it is larger than the sum of its proper divisors (63644119).

131273001 is a wasteful number, since it uses less digits than its factorization.

131273001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10973 (or 10967 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 131273001 is about 11457.4430393522. The cubic root of 131273001 is about 508.2278631910.

The spelling of 131273001 in words is "one hundred thirty-one million, two hundred seventy-three thousand, one".