321403001041 has 2 divisors, whose sum is σ = 321403001042. Its totient is φ = 321403001040.

The previous prime is 321403001027. The next prime is 321403001047. The reversal of 321403001041 is 140100304123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263030508225 + 58372492816 = 512865^2 + 241604^2 .

It is a cyclic number.

It is not a de Polignac number, because 321403001041 - 2¹¹ = 321402998993 is a prime.

It is a super-2 number, since 2×321403001041² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321403001047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160701500520 + 160701500521.

It is an arithmetic number, because the mean of its divisors is an integer number (160701500521).

Almost surely, 2^321403001041 is an apocalyptic number.

It is an amenable number.

321403001041 is a deficient number, since it is larger than the sum of its proper divisors (1).

321403001041 is an equidigital number, since it uses as much as digits as its factorization.

321403001041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 321403001041 its reverse (140100304123), we get a palindrome (461503305164).

The spelling of 321403001041 in words is "three hundred twenty-one billion, four hundred three million, one thousand, forty-one".