10311020203123 has 2 divisors, whose sum is σ = 10311020203124. Its totient is φ = 10311020203122.

The previous prime is 10311020203067. The next prime is 10311020203151. The reversal of 10311020203123 is 32130202011301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10311020203123 - 2⁹ = 10311020202611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10311020203123.

It is not a weakly prime, because it can be changed into another prime (10311020203153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5155510101561 + 5155510101562.

It is an arithmetic number, because the mean of its divisors is an integer number (5155510101562).

Almost surely, 2^{10311020203123} is an apocalyptic number.

10311020203123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10311020203123 is an equidigital number, since it uses as much as digits as its factorization.

10311020203123 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 19.

Adding to 10311020203123 its reverse (32130202011301), we get a palindrome (42441222214424).

The spelling of 10311020203123 in words is "ten trillion, three hundred eleven billion, twenty million, two hundred three thousand, one hundred twenty-three".