1343042231 has 2 divisors, whose sum is σ = 1343042232. Its totient is φ = 1343042230.

The previous prime is 1343042179. The next prime is 1343042237. The reversal of 1343042231 is 1322403431.

It is a strong prime.

It is an emirp because it is prime and its reverse (1322403431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1343042231 - 2⁶ = 1343042167 is a prime.

It is a super-2 number, since 2×1343042231² = 3607524868498914722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1343042197 and 1343042206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343042237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671521115 + 671521116.

It is an arithmetic number, because the mean of its divisors is an integer number (671521116).

Almost surely, 2^1343042231 is an apocalyptic number.

1343042231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343042231 is an equidigital number, since it uses as much as digits as its factorization.

1343042231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1343042231 is about 36647.5405859657. The cubic root of 1343042231 is about 1103.3074642051.

Adding to 1343042231 its reverse (1322403431), we get a palindrome (2665445662).

The spelling of 1343042231 in words is "one billion, three hundred forty-three million, forty-two thousand, two hundred thirty-one".