3443402431 has 12 divisors (see below), whose sum is σ = 4006743408. Its totient is φ = 2950638432.

The previous prime is 3443402423. The next prime is 3443402441. The reversal of 3443402431 is 1342043443.

It is not a de Polignac number, because 3443402431 - 2³ = 3443402423 is a prime.

It is a super-2 number, since 2×3443402431² = 23714040603633419522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3443402431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3443402401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210510 + ... + 226276.

It is an arithmetic number, because the mean of its divisors is an integer number (333895284).

Almost surely, 2^3443402431 is an apocalyptic number.

3443402431 is a deficient number, since it is larger than the sum of its proper divisors (563340977).

3443402431 is a wasteful number, since it uses less digits than its factorization.

3443402431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20238 (or 20231 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 3443402431 is about 58680.5115093589. The cubic root of 3443402431 is about 1510.0659929055.

Adding to 3443402431 its reverse (1342043443), we get a palindrome (4785445874).

The spelling of 3443402431 in words is "three billion, four hundred forty-three million, four hundred two thousand, four hundred thirty-one".