43033023131 has 4 divisors (see below), whose sum is σ = 49180597872. Its totient is φ = 36885448392.

The previous prime is 43033023127. The next prime is 43033023133. The reversal of 43033023131 is 13132033034.

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 43033023131 - 2² = 43033023127 is a prime.

It is a super-2 number, since 2×43033023131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43033023097 and 43033023106.

It is not an unprimeable number, because it can be changed into a prime (43033023133) 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, 3073787360 + ... + 3073787373.

It is an arithmetic number, because the mean of its divisors is an integer number (12295149468).

Almost surely, 2^43033023131 is an apocalyptic number.

43033023131 is a deficient number, since it is larger than the sum of its proper divisors (6147574741).

43033023131 is an equidigital number, since it uses as much as digits as its factorization.

43033023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6147574740.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 43033023131 its reverse (13132033034), we get a palindrome (56165056165).

The spelling of 43033023131 in words is "forty-three billion, thirty-three million, twenty-three thousand, one hundred thirty-one".