103123031011 has 16 divisors (see below), whose sum is σ = 138458896128. Its totient is φ = 74174407200.

The previous prime is 103123030991. The next prime is 103123031027. The reversal of 103123031011 is 110130321301.

It is a cyclic number.

It is not a de Polignac number, because 103123031011 - 2²³ = 103114642403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103123032011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51509005 + ... + 51511006.

It is an arithmetic number, because the mean of its divisors is an integer number (8653681008).

Almost surely, 2^103123031011 is an apocalyptic number.

103123031011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103123031011 is a deficient number, since it is larger than the sum of its proper divisors (35335865117).

103123031011 is a wasteful number, since it uses less digits than its factorization.

103123031011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103020042.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 103123031011 its reverse (110130321301), we get a palindrome (213253352312).

The spelling of 103123031011 in words is "one hundred three billion, one hundred twenty-three million, thirty-one thousand, eleven".