131044001 has 4 divisors (see below), whose sum is σ = 142957104. Its totient is φ = 119130900.

The previous prime is 131043989. The next prime is 131044003. The reversal of 131044001 is 100440131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131044001 - 2¹⁸ = 130781857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131044003) 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, 5956535 + ... + 5956556.

It is an arithmetic number, because the mean of its divisors is an integer number (35739276).

Almost surely, 2^131044001 is an apocalyptic number.

131044001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131044001 is a deficient number, since it is larger than the sum of its proper divisors (11913103).

131044001 is a wasteful number, since it uses less digits than its factorization.

131044001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11913102.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 131044001 is about 11447.4451734874. The cubic root of 131044001 is about 507.9321640979.

Adding to 131044001 its reverse (100440131), we get a palindrome (231484132).

The spelling of 131044001 in words is "one hundred thirty-one million, forty-four thousand, one".