131522414 has 4 divisors (see below), whose sum is σ = 197283624. Its totient is φ = 65761206.

The previous prime is 131522401. The next prime is 131522431. The reversal of 131522414 is 414225131.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131522414.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32880602 + ... + 32880605.

It is an arithmetic number, because the mean of its divisors is an integer number (49320906).

Almost surely, 2^131522414 is an apocalyptic number.

131522414 is a deficient number, since it is larger than the sum of its proper divisors (65761210).

131522414 is an equidigital number, since it uses as much as digits as its factorization.

131522414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65761209.

The product of its digits is 960, while the sum is 23.

The square root of 131522414 is about 11468.3221963808. The cubic root of 131522414 is about 508.5495298477.

Adding to 131522414 its reverse (414225131), we get a palindrome (545747545).

The spelling of 131522414 in words is "one hundred thirty-one million, five hundred twenty-two thousand, four hundred fourteen".