3031142123 has 4 divisors (see below), whose sum is σ = 3044495400. Its totient is φ = 3017788848.

The previous prime is 3031142053. The next prime is 3031142131. The reversal of 3031142123 is 3212411303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3212411303 = 1601 ⋅2006503.

It is not a de Polignac number, because 3031142123 - 2¹² = 3031138027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3031142095 and 3031142104.

It is not an unprimeable number, because it can be changed into a prime (3031142183) 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 3 ways as a sum of consecutive naturals, for example, 6676298 + ... + 6676751.

It is an arithmetic number, because the mean of its divisors is an integer number (761123850).

Almost surely, 2^3031142123 is an apocalyptic number.

3031142123 is a deficient number, since it is larger than the sum of its proper divisors (13353277).

3031142123 is a wasteful number, since it uses less digits than its factorization.

3031142123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13353276.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3031142123 is about 55055.8091666992. The cubic root of 3031142123 is about 1447.2229245459. Note that the first 3 decimals are identical.

Adding to 3031142123 its reverse (3212411303), we get a palindrome (6243553426).

The spelling of 3031142123 in words is "three billion, thirty-one million, one hundred forty-two thousand, one hundred twenty-three".