321330033131 has 4 divisors (see below), whose sum is σ = 321407784672. Its totient is φ = 321252281592.

The previous prime is 321330033119. The next prime is 321330033181. The reversal of 321330033131 is 131330033123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131330033123 = 127 ⋅1034094749.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321330033131 is a prime.

It is a super-2 number, since 2×321330033131² (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 = 321330033097 and 321330033106.

It is not an unprimeable number, because it can be changed into a prime (321330033181) 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 3 ways as a sum of consecutive naturals, for example, 38869571 + ... + 38877836.

It is an arithmetic number, because the mean of its divisors is an integer number (80351946168).

Almost surely, 2^321330033131 is an apocalyptic number.

321330033131 is a deficient number, since it is larger than the sum of its proper divisors (77751541).

321330033131 is an equidigital number, since it uses as much as digits as its factorization.

321330033131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77751540.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 321330033131 its reverse (131330033123), we get a palindrome (452660066254).

The spelling of 321330033131 in words is "three hundred twenty-one billion, three hundred thirty million, thirty-three thousand, one hundred thirty-one".