43031223104 has 42 divisors (see below), whose sum is σ = 90120884274. Its totient is φ = 20383200000.

The previous prime is 43031223023. The next prime is 43031223127. The reversal of 43031223104 is 40132213034.

It can be written as a sum of positive squares in only one way, i.e., 36042263104 + 6988960000 = 189848^2 + 83600^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43031223104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 908147 + ... + 954354.

Almost surely, 2^43031223104 is an apocalyptic number.

It is an amenable number.

43031223104 is an abundant number, since it is smaller than the sum of its proper divisors (47089661170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43031223104 is a wasteful number, since it uses less digits than its factorization.

43031223104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862551 (or 1862522 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 43031223104 its reverse (40132213034), we get a palindrome (83163436138).

The spelling of 43031223104 in words is "forty-three billion, thirty-one million, two hundred twenty-three thousand, one hundred four".