323131221212111 has 8 divisors (see below), whose sum is σ = 348513925087104. Its totient is φ = 297823725349920.

The previous prime is 323131221212089. The next prime is 323131221212119. The reversal of 323131221212111 is 111212122131323.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 323131221212111 - 2¹⁰ = 323131221211087 is a prime.

It is a super-2 number, since 2×323131221212111² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323131221212119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18801994271 + ... + 18802011456.

It is an arithmetic number, because the mean of its divisors is an integer number (43564240635888).

Almost surely, 2^{323131221212111} is an apocalyptic number.

323131221212111 is a deficient number, since it is larger than the sum of its proper divisors (25382703874993).

323131221212111 is a wasteful number, since it uses less digits than its factorization.

323131221212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37604006401.

The product of its digits is 864, while the sum is 26.

Adding to 323131221212111 its reverse (111212122131323), we get a palindrome (434343343343434).

The spelling of 323131221212111 in words is "three hundred twenty-three trillion, one hundred thirty-one billion, two hundred twenty-one million, two hundred twelve thousand, one hundred eleven".