1204342311 has 8 divisors (see below), whose sum is σ = 1612453744. Its totient is φ = 799562880.

The previous prime is 1204342309. The next prime is 1204342319. The reversal of 1204342311 is 1132434021.

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

It is not a de Polignac number, because 1204342311 - 2¹ = 1204342309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204342319) 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, 832156 + ... + 833601.

It is an arithmetic number, because the mean of its divisors is an integer number (201556718).

Almost surely, 2^1204342311 is an apocalyptic number.

1204342311 is a deficient number, since it is larger than the sum of its proper divisors (408111433).

1204342311 is a wasteful number, since it uses less digits than its factorization.

1204342311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666001.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1204342311 is about 34703.6354147516. The cubic root of 1204342311 is about 1063.9388023176.

Adding to 1204342311 its reverse (1132434021), we get a palindrome (2336776332).

The spelling of 1204342311 in words is "one billion, two hundred four million, three hundred forty-two thousand, three hundred eleven".