1331224342 has 16 divisors (see below), whose sum is σ = 2298759840. Its totient is φ = 566359488.

The previous prime is 1331224331. The next prime is 1331224393. The reversal of 1331224342 is 2434221331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345117 + ... + 348952.

It is an arithmetic number, because the mean of its divisors is an integer number (143672490).

Almost surely, 2^1331224342 is an apocalyptic number.

1331224342 is a deficient number, since it is larger than the sum of its proper divisors (967535498).

1331224342 is a wasteful number, since it uses less digits than its factorization.

1331224342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694215.

The product of its digits is 3456, while the sum is 25.

The square root of 1331224342 is about 36485.9471851835. The cubic root of 1331224342 is about 1100.0617987319.

Adding to 1331224342 its reverse (2434221331), we get a palindrome (3765445673).

The spelling of 1331224342 in words is "one billion, three hundred thirty-one million, two hundred twenty-four thousand, three hundred forty-two".