612311103 has 8 divisors (see below), whose sum is σ = 907127600. Its totient is φ = 408207384.

The previous prime is 612311093. The next prime is 612311111. The reversal of 612311103 is 301113216.

It is not a de Polignac number, because 612311103 - 2⁴ = 612311087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612311143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11339068 + ... + 11339121.

It is an arithmetic number, because the mean of its divisors is an integer number (113390950).

Almost surely, 2^612311103 is an apocalyptic number.

612311103 is a deficient number, since it is larger than the sum of its proper divisors (294816497).

612311103 is a wasteful number, since it uses less digits than its factorization.

612311103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22678198 (or 22678192 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 612311103 is about 24744.9207515401. The cubic root of 612311103 is about 849.1623133585.

Adding to 612311103 its reverse (301113216), we get a palindrome (913424319).

The spelling of 612311103 in words is "six hundred twelve million, three hundred eleven thousand, one hundred three".