1331340011 has 8 divisors (see below), whose sum is σ = 1340795280. Its totient is φ = 1321905312.

The previous prime is 1331339983. The next prime is 1331340029. The reversal of 1331340011 is 1100431331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331340011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331340511) 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, 138776 + ... + 148058.

It is an arithmetic number, because the mean of its divisors is an integer number (167599410).

Almost surely, 2^1331340011 is an apocalyptic number.

1331340011 is a deficient number, since it is larger than the sum of its proper divisors (9455269).

1331340011 is an equidigital number, since it uses as much as digits as its factorization.

1331340011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10285.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1331340011 is about 36487.5322678857. The cubic root of 1331340011 is about 1100.0936589674.

Adding to 1331340011 its reverse (1100431331), we get a palindrome (2431771342).

The spelling of 1331340011 in words is "one billion, three hundred thirty-one million, three hundred forty thousand, eleven".