321112323131 has 8 divisors (see below), whose sum is σ = 325529744400. Its totient is φ = 316695405312.

The previous prime is 321112323107. The next prime is 321112323139. The reversal of 321112323131 is 131323211123.

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 321112323131 - 2¹⁴ = 321112306747 is a prime.

It is a super-2 number, since 2×321112323131² (a number of 24 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 = 321112323097 and 321112323106.

It is not an unprimeable number, because it can be changed into a prime (321112323139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263251 + ... + 1496003.

It is an arithmetic number, because the mean of its divisors is an integer number (40691218050).

Almost surely, 2^321112323131 is an apocalyptic number.

321112323131 is a deficient number, since it is larger than the sum of its proper divisors (4417421269).

321112323131 is a wasteful number, since it uses less digits than its factorization.

321112323131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251725.

The product of its digits is 648, while the sum is 23.

Adding to 321112323131 its reverse (131323211123), we get a palindrome (452435534254).

The spelling of 321112323131 in words is "three hundred twenty-one billion, one hundred twelve million, three hundred twenty-three thousand, one hundred thirty-one".