320002023331 has 2 divisors, whose sum is σ = 320002023332. Its totient is φ = 320002023330.

The previous prime is 320002023181. The next prime is 320002023343. The reversal of 320002023331 is 133320200023.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (133320200023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320002023331 - 2¹⁹ = 320001499043 is a prime.

It is a super-2 number, since 2×320002023331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320002023299 and 320002023308.

It is not a weakly prime, because it can be changed into another prime (320002023371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160001011665 + 160001011666.

It is an arithmetic number, because the mean of its divisors is an integer number (160001011666).

Almost surely, 2^320002023331 is an apocalyptic number.

320002023331 is a deficient number, since it is larger than the sum of its proper divisors (1).

320002023331 is an equidigital number, since it uses as much as digits as its factorization.

320002023331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 320002023331 its reverse (133320200023), we get a palindrome (453322223354).

The spelling of 320002023331 in words is "three hundred twenty billion, two million, twenty-three thousand, three hundred thirty-one".