2131030023 has 4 divisors (see below), whose sum is σ = 2841373368. Its totient is φ = 1420686680.

The previous prime is 2131030003. The next prime is 2131030037. The reversal of 2131030023 is 3200301312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2131030023 - 2⁶ = 2131029959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2131029984 and 2131030011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131030003) 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, 355171668 + ... + 355171673.

It is an arithmetic number, because the mean of its divisors is an integer number (710343342).

Almost surely, 2^2131030023 is an apocalyptic number.

2131030023 is a deficient number, since it is larger than the sum of its proper divisors (710343345).

2131030023 is an equidigital number, since it uses as much as digits as its factorization.

2131030023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710343344.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2131030023 is about 46163.0807355835. The cubic root of 2131030023 is about 1286.8557164548.

Adding to 2131030023 its reverse (3200301312), we get a palindrome (5331331335).

The spelling of 2131030023 in words is "two billion, one hundred thirty-one million, thirty thousand, twenty-three".