131223321301 has 4 divisors (see below), whose sum is σ = 131811766912. Its totient is φ = 130634875692.

The previous prime is 131223321241. The next prime is 131223321347. The reversal of 131223321301 is 103123322131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131223321301 - 2²⁷ = 131089103573 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 (131223321401) 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, 294222471 + ... + 294222916.

It is an arithmetic number, because the mean of its divisors is an integer number (32952941728).

Almost surely, 2^131223321301 is an apocalyptic number.

It is an amenable number.

131223321301 is a deficient number, since it is larger than the sum of its proper divisors (588445611).

131223321301 is an equidigital number, since it uses as much as digits as its factorization.

131223321301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588445610.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131223321301 its reverse (103123322131), we get a palindrome (234346643432).

The spelling of 131223321301 in words is "one hundred thirty-one billion, two hundred twenty-three million, three hundred twenty-one thousand, three hundred one".