1343630011 has 4 divisors (see below), whose sum is σ = 1414347400. Its totient is φ = 1272912624.

The previous prime is 1343629961. The next prime is 1343630033. The reversal of 1343630011 is 1100363431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343630011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343630611) 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, 35358666 + ... + 35358703.

It is an arithmetic number, because the mean of its divisors is an integer number (353586850).

Almost surely, 2^1343630011 is an apocalyptic number.

1343630011 is a deficient number, since it is larger than the sum of its proper divisors (70717389).

1343630011 is an equidigital number, since it uses as much as digits as its factorization.

1343630011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70717388.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1343630011 is about 36655.5590736248. The cubic root of 1343630011 is about 1103.4683942349.

Adding to 1343630011 its reverse (1100363431), we get a palindrome (2443993442).

The spelling of 1343630011 in words is "one billion, three hundred forty-three million, six hundred thirty thousand, eleven".