1343552531 has 2 divisors, whose sum is σ = 1343552532. Its totient is φ = 1343552530.

The previous prime is 1343552527. The next prime is 1343552533. The reversal of 1343552531 is 1352553431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1343552531 - 2² = 1343552527 is a prime.

It is a super-2 number, since 2×1343552531² = 3610266807113011922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1343552533, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1343552533) 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 as a sum of consecutive naturals, namely, 671776265 + 671776266.

It is an arithmetic number, because the mean of its divisors is an integer number (671776266).

Almost surely, 2^1343552531 is an apocalyptic number.

1343552531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343552531 is an equidigital number, since it uses as much as digits as its factorization.

1343552531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 32.

The square root of 1343552531 is about 36654.5021927730. The cubic root of 1343552531 is about 1103.4471834418.

The spelling of 1343552531 in words is "one billion, three hundred forty-three million, five hundred fifty-two thousand, five hundred thirty-one".