321112032133 has 4 divisors (see below), whose sum is σ = 321114743820. Its totient is φ = 321109320448.

The previous prime is 321112032107. The next prime is 321112032221. The reversal of 321112032133 is 331230211123.

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 20157752484 + 300954279649 = 141978^2 + 548593^2 .

It is a cyclic number.

It is not a de Polignac number, because 321112032133 - 2⁹ = 321112031621 is a prime.

It is a super-2 number, since 2×321112032133² (a number of 24 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 (321112032733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1169698 + ... + 1417891.

It is an arithmetic number, because the mean of its divisors is an integer number (80278685955).

Almost surely, 2^321112032133 is an apocalyptic number.

It is an amenable number.

321112032133 is a deficient number, since it is larger than the sum of its proper divisors (2711687).

321112032133 is a wasteful number, since it uses less digits than its factorization.

321112032133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711686.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 321112032133 its reverse (331230211123), we get a palindrome (652342243256).

The spelling of 321112032133 in words is "three hundred twenty-one billion, one hundred twelve million, thirty-two thousand, one hundred thirty-three".