131241002223 has 4 divisors (see below), whose sum is σ = 174988002968. Its totient is φ = 87494001480.

The previous prime is 131241002219. The next prime is 131241002237. The reversal of 131241002223 is 322200142131.

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

It is not a de Polignac number, because 131241002223 - 2² = 131241002219 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 131241002223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131241012223) 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, 21873500368 + ... + 21873500373.

It is an arithmetic number, because the mean of its divisors is an integer number (43747000742).

Almost surely, 2^131241002223 is an apocalyptic number.

131241002223 is a deficient number, since it is larger than the sum of its proper divisors (43747000745).

131241002223 is an equidigital number, since it uses as much as digits as its factorization.

131241002223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43747000744.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 131241002223 its reverse (322200142131), we get a palindrome (453441144354).

The spelling of 131241002223 in words is "one hundred thirty-one billion, two hundred forty-one million, two thousand, two hundred twenty-three".