3443021431 has 4 divisors (see below), whose sum is σ = 3443235912. Its totient is φ = 3442806952.

The previous prime is 3443021429. The next prime is 3443021437. The reversal of 3443021431 is 1341203443.

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 3443021431 - 2¹ = 3443021429 is a prime.

It is a super-2 number, since 2×3443021431² = 23708793148650575522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3443021396 and 3443021405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3443021437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81025 + ... + 115978.

It is an arithmetic number, because the mean of its divisors is an integer number (860808978).

Almost surely, 2^3443021431 is an apocalyptic number.

3443021431 is a deficient number, since it is larger than the sum of its proper divisors (214481).

3443021431 is a wasteful number, since it uses less digits than its factorization.

3443021431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214480.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 3443021431 is about 58677.2650265842. The cubic root of 3443021431 is about 1510.0102964080.

Adding to 3443021431 its reverse (1341203443), we get a palindrome (4784224874).

The spelling of 3443021431 in words is "three billion, four hundred forty-three million, twenty-one thousand, four hundred thirty-one".