381203310111301 has 2 divisors, whose sum is σ = 381203310111302. Its totient is φ = 381203310111300.

The previous prime is 381203310111289. The next prime is 381203310111317. The reversal of 381203310111301 is 103111013302183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283356117244225 + 97847192867076 = 16833185^2 + 9891774^2 .

It is a cyclic number.

It is not a de Polignac number, because 381203310111301 - 2³¹ = 381201162627653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 381203310111301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381203310111341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190601655055650 + 190601655055651.

It is an arithmetic number, because the mean of its divisors is an integer number (190601655055651).

Almost surely, 2^{381203310111301} is an apocalyptic number.

It is an amenable number.

381203310111301 is a deficient number, since it is larger than the sum of its proper divisors (1).

381203310111301 is an equidigital number, since it uses as much as digits as its factorization.

381203310111301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

Adding to 381203310111301 its reverse (103111013302183), we get a palindrome (484314323413484).

The spelling of 381203310111301 in words is "three hundred eighty-one trillion, two hundred three billion, three hundred ten million, one hundred eleven thousand, three hundred one".