1330705211 has 4 divisors (see below), whose sum is σ = 1451678424. Its totient is φ = 1209732000.

The previous prime is 1330705193. The next prime is 1330705231. The reversal of 1330705211 is 1125070331.

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 1330705211 - 2²² = 1326510907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330705231) 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, 60486590 + ... + 60486611.

It is an arithmetic number, because the mean of its divisors is an integer number (362919606).

Almost surely, 2^1330705211 is an apocalyptic number.

1330705211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1330705211 is a deficient number, since it is larger than the sum of its proper divisors (120973213).

1330705211 is a wasteful number, since it uses less digits than its factorization.

1330705211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120973212.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 1330705211 is about 36478.8323689232. The cubic root of 1330705211 is about 1099.9187849130.

Adding to 1330705211 its reverse (1125070331), we get a palindrome (2455775542).

The spelling of 1330705211 in words is "one billion, three hundred thirty million, seven hundred five thousand, two hundred eleven".