103111202031077 has 2 divisors, whose sum is σ = 103111202031078. Its totient is φ = 103111202031076.

The previous prime is 103111202031059. The next prime is 103111202031119. The reversal of 103111202031077 is 770130202111301.

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., 86586765650401 + 16524436380676 = 9305201^2 + 4065026^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103111202031077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103111202031977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51555601015538 + 51555601015539.

It is an arithmetic number, because the mean of its divisors is an integer number (51555601015539).

Almost surely, 2^{103111202031077} is an apocalyptic number.

It is an amenable number.

103111202031077 is a deficient number, since it is larger than the sum of its proper divisors (1).

103111202031077 is an equidigital number, since it uses as much as digits as its factorization.

103111202031077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 29.

Adding to 103111202031077 its reverse (770130202111301), we get a palindrome (873241404142378).

The spelling of 103111202031077 in words is "one hundred three trillion, one hundred eleven billion, two hundred two million, thirty-one thousand, seventy-seven".