103121130311 has 2 divisors, whose sum is σ = 103121130312. Its totient is φ = 103121130310.

The previous prime is 103121130283. The next prime is 103121130317. The reversal of 103121130311 is 113031121301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103121130311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103121130311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103121130317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51560565155 + 51560565156.

It is an arithmetic number, because the mean of its divisors is an integer number (51560565156).

Almost surely, 2^103121130311 is an apocalyptic number.

103121130311 is a deficient number, since it is larger than the sum of its proper divisors (1).

103121130311 is an equidigital number, since it uses as much as digits as its factorization.

103121130311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 103121130311 its reverse (113031121301), we get a palindrome (216152251612).

The spelling of 103121130311 in words is "one hundred three billion, one hundred twenty-one million, one hundred thirty thousand, three hundred eleven".