323130211223101 has 4 divisors (see below), whose sum is σ = 323837279519452. Its totient is φ = 322423142926752.

The previous prime is 323130211223051. The next prime is 323130211223107. The reversal of 323130211223101 is 101322112031323.

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

It can be written as a sum of positive squares in 2 ways, for example, as 291619659765625 + 31510551457476 = 17076875^2 + 5613426^2 .

It is a cyclic number.

It is not a de Polignac number, because 323130211223101 - 2³³ = 323121621288509 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 (323130211223107) 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, 353534147490 + ... + 353534148403.

It is an arithmetic number, because the mean of its divisors is an integer number (80959319879863).

Almost surely, 2^{323130211223101} is an apocalyptic number.

It is an amenable number.

323130211223101 is a deficient number, since it is larger than the sum of its proper divisors (707068296351).

323130211223101 is an equidigital number, since it uses as much as digits as its factorization.

323130211223101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707068296350.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 323130211223101 its reverse (101322112031323), we get a palindrome (424452323254424).

The spelling of 323130211223101 in words is "three hundred twenty-three trillion, one hundred thirty billion, two hundred eleven million, two hundred twenty-three thousand, one hundred one".