2031133123 has 8 divisors (see below), whose sum is σ = 2167030800. Its totient is φ = 1897059840.

The previous prime is 2031133103. The next prime is 2031133127. The reversal of 2031133123 is 3213311302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031133123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2031133123.

It is not an unprimeable number, because it can be changed into a prime (2031133127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453798 + ... + 458251.

It is an arithmetic number, because the mean of its divisors is an integer number (270878850).

Almost surely, 2^2031133123 is an apocalyptic number.

2031133123 is a deficient number, since it is larger than the sum of its proper divisors (135897677).

2031133123 is a wasteful number, since it uses less digits than its factorization.

2031133123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912197.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2031133123 is about 45068.0942907507. The cubic root of 2031133123 is about 1266.4249640464.

Adding to 2031133123 its reverse (3213311302), we get a palindrome (5244444425).

The spelling of 2031133123 in words is "two billion, thirty-one million, one hundred thirty-three thousand, one hundred twenty-three".