312133113123 has 16 divisors (see below), whose sum is σ = 448319424000. Its totient is φ = 192026935584.

The previous prime is 312133113121. The next prime is 312133113139. The reversal of 312133113123 is 321311331213.

It is not a de Polignac number, because 312133113123 - 2¹ = 312133113121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312133113093 and 312133113102.

It is not an unprimeable number, because it can be changed into a prime (312133113121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1007211 + ... + 1280132.

It is an arithmetic number, because the mean of its divisors is an integer number (28019964000).

Almost surely, 2^312133113123 is an apocalyptic number.

312133113123 is a deficient number, since it is larger than the sum of its proper divisors (136186310877).

312133113123 is a wasteful number, since it uses less digits than its factorization.

312133113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290858.

The product of its digits is 972, while the sum is 24.

Adding to 312133113123 its reverse (321311331213), we get a palindrome (633444444336).

The spelling of 312133113123 in words is "three hundred twelve billion, one hundred thirty-three million, one hundred thirteen thousand, one hundred twenty-three".