802000401331 has 2 divisors, whose sum is σ = 802000401332. Its totient is φ = 802000401330.

The previous prime is 802000401311. The next prime is 802000401353. The reversal of 802000401331 is 133104000208.

It is an a-pointer prime, because the next prime (802000401353) can be obtained adding 802000401331 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-802000401331 is a prime.

It is a super-2 number, since 2×802000401331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (802000401311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401000200665 + 401000200666.

It is an arithmetic number, because the mean of its divisors is an integer number (401000200666).

Almost surely, 2^802000401331 is an apocalyptic number.

802000401331 is a deficient number, since it is larger than the sum of its proper divisors (1).

802000401331 is an equidigital number, since it uses as much as digits as its factorization.

802000401331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 802000401331 its reverse (133104000208), we get a palindrome (935104401539).

The spelling of 802000401331 in words is "eight hundred two billion, four hundred one thousand, three hundred thirty-one".