131032321223 has 4 divisors (see below), whose sum is σ = 131081602680. Its totient is φ = 130983039768.

The previous prime is 131032321213. The next prime is 131032321289. The reversal of 131032321223 is 322123230131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322123230131 = 26951 ⋅11952181.

It is a cyclic number.

It is not a de Polignac number, because 131032321223 - 2⁸ = 131032320967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131032321213) 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, 24636740 + ... + 24642057.

It is an arithmetic number, because the mean of its divisors is an integer number (32770400670).

Almost surely, 2^131032321223 is an apocalyptic number.

131032321223 is a deficient number, since it is larger than the sum of its proper divisors (49281457).

131032321223 is an equidigital number, since it uses as much as digits as its factorization.

131032321223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49281456.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 131032321223 its reverse (322123230131), we get a palindrome (453155551354).

The spelling of 131032321223 in words is "one hundred thirty-one billion, thirty-two million, three hundred twenty-one thousand, two hundred twenty-three".