131164001 has 4 divisors (see below), whose sum is σ = 134709012. Its totient is φ = 127618992.

The previous prime is 131163997. The next prime is 131164037. The reversal of 131164001 is 100461131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100461131 = 929 ⋅108139.

It can be written as a sum of positive squares in 2 ways, for example, as 48790225 + 82373776 = 6985^2 + 9076^2 .

It is a cyclic number.

It is not a de Polignac number, because 131164001 - 2² = 131163997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131164301) 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, 1772450 + ... + 1772523.

It is an arithmetic number, because the mean of its divisors is an integer number (33677253).

Almost surely, 2^131164001 is an apocalyptic number.

It is an amenable number.

131164001 is a deficient number, since it is larger than the sum of its proper divisors (3545011).

131164001 is an equidigital number, since it uses as much as digits as its factorization.

131164001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545010.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 131164001 is about 11452.6853182998. The cubic root of 131164001 is about 508.0871585112.

The spelling of 131164001 in words is "one hundred thirty-one million, one hundred sixty-four thousand, one".