1342331311 has 4 divisors (see below), whose sum is σ = 1347948000. Its totient is φ = 1336714624.

The previous prime is 1342331231. The next prime is 1342331351. The reversal of 1342331311 is 1131332431.

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 1342331311 - 2⁹ = 1342330799 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 (1342331351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2807986 + ... + 2808463.

It is an arithmetic number, because the mean of its divisors is an integer number (336987000).

Almost surely, 2^1342331311 is an apocalyptic number.

1342331311 is a deficient number, since it is larger than the sum of its proper divisors (5616689).

1342331311 is an equidigital number, since it uses as much as digits as its factorization.

1342331311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616688.

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

The square root of 1342331311 is about 36637.8398790103. The cubic root of 1342331311 is about 1103.1127565574.

Adding to 1342331311 its reverse (1131332431), we get a palindrome (2473663742).

The spelling of 1342331311 in words is "one billion, three hundred forty-two million, three hundred thirty-one thousand, three hundred eleven".