1343423331 has 6 divisors (see below), whose sum is σ = 1940500380. Its totient is φ = 895615548.

The previous prime is 1343423327. The next prime is 1343423371. The reversal of 1343423331 is 1333243431.

It is not a de Polignac number, because 1343423331 - 2² = 1343423327 is a prime.

It is a super-2 number, since 2×1343423331² = 3609572492550271122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1343423295 and 1343423304.

It is not an unprimeable number, because it can be changed into a prime (1343423371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74634621 + ... + 74634638.

It is an arithmetic number, because the mean of its divisors is an integer number (323416730).

Almost surely, 2^1343423331 is an apocalyptic number.

1343423331 is a deficient number, since it is larger than the sum of its proper divisors (597077049).

1343423331 is a wasteful number, since it uses less digits than its factorization.

1343423331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149269265 (or 149269262 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

The square root of 1343423331 is about 36652.7397475277. The cubic root of 1343423331 is about 1103.4118120556.

Adding to 1343423331 its reverse (1333243431), we get a palindrome (2676666762).

The spelling of 1343423331 in words is "one billion, three hundred forty-three million, four hundred twenty-three thousand, three hundred thirty-one".