1343004401 has 4 divisors (see below), whose sum is σ = 1355555952. Its totient is φ = 1330452852.

The previous prime is 1343004391. The next prime is 1343004407. The reversal of 1343004401 is 1044003431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1343004401 - 2¹⁰ = 1343003377 is a prime.

It is a super-2 number, since 2×1343004401² = 3607321642210737602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343004407) 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, 6275615 + ... + 6275828.

It is an arithmetic number, because the mean of its divisors is an integer number (338888988).

Almost surely, 2^1343004401 is an apocalyptic number.

It is an amenable number.

1343004401 is a deficient number, since it is larger than the sum of its proper divisors (12551551).

1343004401 is a wasteful number, since it uses less digits than its factorization.

1343004401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12551550.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1343004401 is about 36647.0244494693. The cubic root of 1343004401 is about 1103.2971050090.

Adding to 1343004401 its reverse (1044003431), we get a palindrome (2387007832).

The spelling of 1343004401 in words is "one billion, three hundred forty-three million, four thousand, four hundred one".