311103300123 has 40 divisors (see below), whose sum is σ = 579409332480. Its totient is φ = 161612100720.

The previous prime is 311103300121. The next prime is 311103300127. The reversal of 311103300123 is 321003301113.

It is a happy number.

311103300123 is a `hidden beast` number, since 311 + 1 + 0 + 330 + 0 + 1 + 23 = 666.

It is not a de Polignac number, because 311103300123 - 2¹ = 311103300121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311103300096 and 311103300105.

It is not an unprimeable number, because it can be changed into a prime (311103300121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24933903 + ... + 24946376.

It is an arithmetic number, because the mean of its divisors is an integer number (14485233312).

Almost surely, 2^311103300123 is an apocalyptic number.

311103300123 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

311103300123 is a deficient number, since it is larger than the sum of its proper divisors (268306032357).

311103300123 is a wasteful number, since it uses less digits than its factorization.

311103300123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49880309 (or 49880300 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 311103300123 its reverse (321003301113), we get a palindrome (632106601236).

The spelling of 311103300123 in words is "three hundred eleven billion, one hundred three million, three hundred thousand, one hundred twenty-three".