131050345 has 4 divisors (see below), whose sum is σ = 157260420. Its totient is φ = 104840272.

The previous prime is 131050327. The next prime is 131050349. The reversal of 131050345 is 543050131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 98148649 + 32901696 = 9907^2 + 5736^2 .

It is a cyclic number.

It is not a de Polignac number, because 131050345 - 2⁵ = 131050313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131050349) 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, 13105030 + ... + 13105039.

It is an arithmetic number, because the mean of its divisors is an integer number (39315105).

Almost surely, 2^131050345 is an apocalyptic number.

It is an amenable number.

131050345 is a deficient number, since it is larger than the sum of its proper divisors (26210075).

131050345 is an equidigital number, since it uses as much as digits as its factorization.

131050345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26210074.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 131050345 is about 11447.7222625289. The cubic root of 131050345 is about 507.9403605043.

The spelling of 131050345 in words is "one hundred thirty-one million, fifty thousand, three hundred forty-five".