1201334311 has 2 divisors, whose sum is σ = 1201334312. Its totient is φ = 1201334310.

The previous prime is 1201334297. The next prime is 1201334333. The reversal of 1201334311 is 1134331021.

It is a weak prime.

It is an emirp because it is prime and its reverse (1134331021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201334311 - 2⁵ = 1201334279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201334111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600667155 + 600667156.

It is an arithmetic number, because the mean of its divisors is an integer number (600667156).

Almost surely, 2^1201334311 is an apocalyptic number.

1201334311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201334311 is an equidigital number, since it uses as much as digits as its factorization.

1201334311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1201334311 is about 34660.2699210494. The cubic root of 1201334311 is about 1063.0522891279.

Adding to 1201334311 its reverse (1134331021), we get a palindrome (2335665332).

The spelling of 1201334311 in words is "one billion, two hundred one million, three hundred thirty-four thousand, three hundred eleven".