4045023131 has 2 divisors, whose sum is σ = 4045023132. Its totient is φ = 4045023130.

The previous prime is 4045023119. The next prime is 4045023139. The reversal of 4045023131 is 1313205404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4045023131 - 2²⁶ = 3977914267 is a prime.

It is a super-2 number, since 2×4045023131² = 32724424260650086322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4045023097 and 4045023106.

It is not a weakly prime, because it can be changed into another prime (4045023139) 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 as a sum of consecutive naturals, namely, 2022511565 + 2022511566.

It is an arithmetic number, because the mean of its divisors is an integer number (2022511566).

Almost surely, 2^4045023131 is an apocalyptic number.

4045023131 is a deficient number, since it is larger than the sum of its proper divisors (1).

4045023131 is an equidigital number, since it uses as much as digits as its factorization.

4045023131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4045023131 is about 63600.4963109566. The cubic root of 4045023131 is about 1593.3346586718.

Adding to 4045023131 its reverse (1313205404), we get a palindrome (5358228535).

The spelling of 4045023131 in words is "four billion, forty-five million, twenty-three thousand, one hundred thirty-one".