103111103109913 has 2 divisors, whose sum is σ = 103111103109914. Its totient is φ = 103111103109912.

The previous prime is 103111103109829. The next prime is 103111103110061. The reversal of 103111103109913 is 319901301111301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101772021356944 + 1339081752969 = 10088212^2 + 1157187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103111103109913 is a prime.

It is a super-2 number, since 2×103111103109913² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103111103100913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51555551554956 + 51555551554957.

It is an arithmetic number, because the mean of its divisors is an integer number (51555551554957).

Almost surely, 2^{103111103109913} is an apocalyptic number.

It is an amenable number.

103111103109913 is a deficient number, since it is larger than the sum of its proper divisors (1).

103111103109913 is an equidigital number, since it uses as much as digits as its factorization.

103111103109913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187, while the sum is 34.

The spelling of 103111103109913 in words is "one hundred three trillion, one hundred eleven billion, one hundred three million, one hundred nine thousand, nine hundred thirteen".