43204420031 has 8 divisors (see below), whose sum is σ = 43282614144. Its totient is φ = 43126288920.

The previous prime is 43204420027. The next prime is 43204420033. The reversal of 43204420031 is 13002440234.

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

It is a cyclic number.

It is not a de Polignac number, because 43204420031 - 2² = 43204420027 is a prime.

It is a super-2 number, since 2×43204420031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43204419979 and 43204420006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43204420033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1483496 + ... + 1512338.

It is an arithmetic number, because the mean of its divisors is an integer number (5410326768).

Almost surely, 2^43204420031 is an apocalyptic number.

43204420031 is a deficient number, since it is larger than the sum of its proper divisors (78194113).

43204420031 is a wasteful number, since it uses less digits than its factorization.

43204420031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31501.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 43204420031 its reverse (13002440234), we get a palindrome (56206860265).

The spelling of 43204420031 in words is "forty-three billion, two hundred four million, four hundred twenty thousand, thirty-one".