31122014123 has 4 divisors (see below), whose sum is σ = 31122415800. Its totient is φ = 31121612448.

The previous prime is 31122014107. The next prime is 31122014141. The reversal of 31122014123 is 32141022113.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 31122014123 - 2⁴ = 31122014107 is a prime.

It is a super-2 number, since 2×31122014123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31122014095 and 31122014104.

It is not an unprimeable number, because it can be changed into a prime (31122014323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43565 + ... + 253262.

It is an arithmetic number, because the mean of its divisors is an integer number (7780603950).

Almost surely, 2^31122014123 is an apocalyptic number.

31122014123 is a deficient number, since it is larger than the sum of its proper divisors (401677).

31122014123 is a wasteful number, since it uses less digits than its factorization.

31122014123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401676.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31122014123 its reverse (32141022113), we get a palindrome (63263036236).

The spelling of 31122014123 in words is "thirty-one billion, one hundred twenty-two million, fourteen thousand, one hundred twenty-three".