320100400133 has 2 divisors, whose sum is σ = 320100400134. Its totient is φ = 320100400132.

The previous prime is 320100400111. The next prime is 320100400159. The reversal of 320100400133 is 331004001023.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289118063809 + 30982336324 = 537697^2 + 176018^2 .

It is a cyclic number.

It is not a de Polignac number, because 320100400133 - 2²⁴ = 320083622917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320700400133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160050200066 + 160050200067.

It is an arithmetic number, because the mean of its divisors is an integer number (160050200067).

Almost surely, 2^320100400133 is an apocalyptic number.

It is an amenable number.

320100400133 is a deficient number, since it is larger than the sum of its proper divisors (1).

320100400133 is an equidigital number, since it uses as much as digits as its factorization.

320100400133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 320100400133 its reverse (331004001023), we get a palindrome (651104401156).

The spelling of 320100400133 in words is "three hundred twenty billion, one hundred million, four hundred thousand, one hundred thirty-three".