400320113033 has 2 divisors, whose sum is σ = 400320113034. Its totient is φ = 400320113032.

The previous prime is 400320112979. The next prime is 400320113047. The reversal of 400320113033 is 330311023004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220978026889 + 179342086144 = 470083^2 + 423488^2 .

It is a cyclic number.

It is not a de Polignac number, because 400320113033 - 2¹⁰ = 400320112009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400320112996 and 400320113014.

It is not a weakly prime, because it can be changed into another prime (400320113233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200160056516 + 200160056517.

It is an arithmetic number, because the mean of its divisors is an integer number (200160056517).

Almost surely, 2^400320113033 is an apocalyptic number.

It is an amenable number.

400320113033 is a deficient number, since it is larger than the sum of its proper divisors (1).

400320113033 is an equidigital number, since it uses as much as digits as its factorization.

400320113033 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 20.

Adding to 400320113033 its reverse (330311023004), we get a palindrome (730631136037).

The spelling of 400320113033 in words is "four hundred billion, three hundred twenty million, one hundred thirteen thousand, thirty-three".