1342431311 has 8 divisors (see below), whose sum is σ = 1447072704. Its totient is φ = 1237986720.

The previous prime is 1342431289. The next prime is 1342431341. The reversal of 1342431311 is 1131342431.

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-1342431311 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 (1342431341) 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, 34871 + ... + 62456.

It is an arithmetic number, because the mean of its divisors is an integer number (180884088).

Almost surely, 2^1342431311 is an apocalyptic number.

1342431311 is a deficient number, since it is larger than the sum of its proper divisors (104641393).

1342431311 is a wasteful number, since it uses less digits than its factorization.

1342431311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98401.

The product of its digits is 864, while the sum is 23.

The square root of 1342431311 is about 36639.2045628723. The cubic root of 1342431311 is about 1103.1401488352.

Adding to 1342431311 its reverse (1131342431), we get a palindrome (2473773742).

The spelling of 1342431311 in words is "one billion, three hundred forty-two million, four hundred thirty-one thousand, three hundred eleven".