103100312111 has 24 divisors (see below), whose sum is σ = 107561713824. Its totient is φ = 98795712960.

The previous prime is 103100312099. The next prime is 103100312129. The reversal of 103100312111 is 111213001301.

It is a happy number.

It is not a de Polignac number, because 103100312111 - 2²² = 103096117807 is a prime.

It is a super-2 number, since 2×103100312111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103100312011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54927305 + ... + 54929181.

It is an arithmetic number, because the mean of its divisors is an integer number (4481738076).

Almost surely, 2^103100312111 is an apocalyptic number.

103100312111 is a deficient number, since it is larger than the sum of its proper divisors (4461401713).

103100312111 is an equidigital number, since it uses as much as digits as its factorization.

103100312111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511 (or 2468 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 103100312111 its reverse (111213001301), we get a palindrome (214313313412).

The spelling of 103100312111 in words is "one hundred three billion, one hundred million, three hundred twelve thousand, one hundred eleven".