131623195 has 12 divisors (see below), whose sum is σ = 173612880. Its totient is φ = 95725520.

The previous prime is 131623189. The next prime is 131623223. The reversal of 131623195 is 591326131.

It is a happy number.

It is not a de Polignac number, because 131623195 - 2⁷ = 131623067 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108175 + ... + 109384.

It is an arithmetic number, because the mean of its divisors is an integer number (14467740).

Almost surely, 2^131623195 is an apocalyptic number.

131623195 is a deficient number, since it is larger than the sum of its proper divisors (41989685).

131623195 is a wasteful number, since it uses less digits than its factorization.

131623195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217586 (or 217575 counting only the distinct ones).

The product of its digits is 4860, while the sum is 31.

The square root of 131623195 is about 11472.7152409532. The cubic root of 131623195 is about 508.6793912234.

It can be divided in two parts, 131 and 623195, that added together give a palindrome (623326).

The spelling of 131623195 in words is "one hundred thirty-one million, six hundred twenty-three thousand, one hundred ninety-five".