131355001 has 4 divisors (see below), whose sum is σ = 137066112. Its totient is φ = 125643892.

The previous prime is 131354987. The next prime is 131355023. The reversal of 131355001 is 100553131.

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 131355001 - 2⁵ = 131354969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131355001.

It is not an unprimeable number, because it can be changed into a prime (131355061) 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, 2855521 + ... + 2855566.

It is an arithmetic number, because the mean of its divisors is an integer number (34266528).

Almost surely, 2^131355001 is an apocalyptic number.

It is an amenable number.

131355001 is a deficient number, since it is larger than the sum of its proper divisors (5711111).

131355001 is an equidigital number, since it uses as much as digits as its factorization.

131355001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711110.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 131355001 is about 11461.0209405620. The cubic root of 131355001 is about 508.3336630892. Note that the first 3 decimals are identical.

The spelling of 131355001 in words is "one hundred thirty-one million, three hundred fifty-five thousand, one".