323220100311011 has 4 divisors (see below), whose sum is σ = 323220341477400. Its totient is φ = 323219859144624.

The previous prime is 323220100310981. The next prime is 323220100311077. The reversal of 323220100311011 is 110113001022323.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323220100311011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323220100311811) 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, 118561541 + ... + 121257078.

It is an arithmetic number, because the mean of its divisors is an integer number (80805085369350).

Almost surely, 2^{323220100311011} is an apocalyptic number.

323220100311011 is a deficient number, since it is larger than the sum of its proper divisors (241166389).

323220100311011 is a wasteful number, since it uses less digits than its factorization.

323220100311011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241166388.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 323220100311011 its reverse (110113001022323), we get a palindrome (433333101333334).

The spelling of 323220100311011 in words is "three hundred twenty-three trillion, two hundred twenty billion, one hundred million, three hundred eleven thousand, eleven".