1343553431 has 8 divisors (see below), whose sum is σ = 1466285328. Its totient is φ = 1220920000.

The previous prime is 1343553397. The next prime is 1343553443.

1343553431 is nontrivially palindromic in base 10.

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-1343553431 is a prime.

It is a super-2 number, since 2×1343553431² = 3610271643903743522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343553461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5531 + ... + 52131.

It is an arithmetic number, because the mean of its divisors is an integer number (183285666).

Almost surely, 2^1343553431 is an apocalyptic number.

1343553431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1343553431 is a deficient number, since it is larger than the sum of its proper divisors (122731897).

1343553431 is a wasteful number, since it uses less digits than its factorization.

1343553431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49233.

The product of its digits is 32400, while the sum is 32.

The square root of 1343553431 is about 36654.5144695711. The cubic root of 1343553431 is about 1103.4474298289.

It can be divided in two parts, 13435 and 53431, that added together give a palindrome (66866).

The spelling of 1343553431 in words is "one billion, three hundred forty-three million, five hundred fifty-three thousand, four hundred thirty-one".