43231131022 has 8 divisors (see below), whose sum is σ = 64853172072. Its totient is φ = 21613407000.

The previous prime is 43231131007. The next prime is 43231131059. The reversal of 43231131022 is 22013113234.

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

It is a junction number, because it is equal to n+sod(n) for n = 43231130984 and 43231131002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1054104 + ... + 1094347.

It is an arithmetic number, because the mean of its divisors is an integer number (8106646509).

Almost surely, 2^43231131022 is an apocalyptic number.

43231131022 is a deficient number, since it is larger than the sum of its proper divisors (21622041050).

43231131022 is a wasteful number, since it uses less digits than its factorization.

43231131022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158514.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 43231131022 its reverse (22013113234), we get a palindrome (65244244256).

The spelling of 43231131022 in words is "forty-three billion, two hundred thirty-one million, one hundred thirty-one thousand, twenty-two".