103131230222381 has 2 divisors, whose sum is σ = 103131230222382. Its totient is φ = 103131230222380.

The previous prime is 103131230222333. The next prime is 103131230222413. The reversal of 103131230222381 is 183222032131301.

It is an a-pointer prime, because the next prime (103131230222413) can be obtained adding 103131230222381 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94421235609481 + 8709994612900 = 9717059^2 + 2951270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103131230222381 is a prime.

It is a super-2 number, since 2×103131230222381² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103131230225381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51565615111190 + 51565615111191.

It is an arithmetic number, because the mean of its divisors is an integer number (51565615111191).

Almost surely, 2^{103131230222381} is an apocalyptic number.

It is an amenable number.

103131230222381 is a deficient number, since it is larger than the sum of its proper divisors (1).

103131230222381 is an equidigital number, since it uses as much as digits as its factorization.

103131230222381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 103131230222381 its reverse (183222032131301), we get a palindrome (286353262353682).

The spelling of 103131230222381 in words is "one hundred three trillion, one hundred thirty-one billion, two hundred thirty million, two hundred twenty-two thousand, three hundred eighty-one".