321234321243131 has 4 divisors (see below), whose sum is σ = 322204817682264. Its totient is φ = 320263824804000.

The previous prime is 321234321243127. The next prime is 321234321243151. The reversal of 321234321243131 is 131342123432123.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 321234321243131 - 2² = 321234321243127 is a prime.

It is a super-2 number, since 2×321234321243131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321234321243091 and 321234321243100.

It is not an unprimeable number, because it can be changed into a prime (321234321243151) 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, 485248219070 + ... + 485248219731.

It is an arithmetic number, because the mean of its divisors is an integer number (80551204420566).

Almost surely, 2^{321234321243131} is an apocalyptic number.

321234321243131 is a deficient number, since it is larger than the sum of its proper divisors (970496439133).

321234321243131 is an equidigital number, since it uses as much as digits as its factorization.

321234321243131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970496439132.

The product of its digits is 62208, while the sum is 35.

Adding to 321234321243131 its reverse (131342123432123), we get a palindrome (452576444675254).

The spelling of 321234321243131 in words is "three hundred twenty-one trillion, two hundred thirty-four billion, three hundred twenty-one million, two hundred forty-three thousand, one hundred thirty-one".