2023531131 has 16 divisors (see below), whose sum is σ = 2859621408. Its totient is φ = 1268390400.

The previous prime is 2023531121. The next prime is 2023531229. The reversal of 2023531131 is 1311353202.

It is not a de Polignac number, because 2023531131 - 2²⁵ = 1989976699 is a prime.

It is a super-2 number, since 2×2023531131² = 8189356476252278322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2023531098 and 2023531107.

It is not an unprimeable number, because it can be changed into a prime (2023531121) 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 in 15 ways as a sum of consecutive naturals, for example, 32641 + ... + 71501.

It is an arithmetic number, because the mean of its divisors is an integer number (178726338).

Almost surely, 2^2023531131 is an apocalyptic number.

2023531131 is a deficient number, since it is larger than the sum of its proper divisors (836090277).

2023531131 is a wasteful number, since it uses less digits than its factorization.

2023531131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39902.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 2023531131 is about 44983.6762726214. The cubic root of 2023531131 is about 1264.8430246768.

Adding to 2023531131 its reverse (1311353202), we get a palindrome (3334884333).

The spelling of 2023531131 in words is "two billion, twenty-three million, five hundred thirty-one thousand, one hundred thirty-one".