1038320238401 has 2 divisors, whose sum is σ = 1038320238402. Its totient is φ = 1038320238400.

The previous prime is 1038320238323. The next prime is 1038320238413. The reversal of 1038320238401 is 1048320238301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1016313999376 + 22006239025 = 1008124^2 + 148345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1038320238401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1038320238421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519160119200 + 519160119201.

It is an arithmetic number, because the mean of its divisors is an integer number (519160119201).

Almost surely, 2^{1038320238401} is an apocalyptic number.

It is an amenable number.

1038320238401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1038320238401 is an equidigital number, since it uses as much as digits as its factorization.

1038320238401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

It can be divided in two parts, 1038320 and 238401, that added together give a palindrome (1276721).

The spelling of 1038320238401 in words is "one trillion, thirty-eight billion, three hundred twenty million, two hundred thirty-eight thousand, four hundred one".