1343552431 has 16 divisors (see below), whose sum is σ = 1505394688. Its totient is φ = 1190700000.

The previous prime is 1343552363. The next prime is 1343552443. The reversal of 1343552431 is 1342553431.

It is a cyclic number.

It is not a de Polignac number, because 1343552431 - 2⁷ = 1343552303 is a prime.

It is a super-2 number, since 2×1343552431² = 3610266269692019522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1343552393 and 1343552402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343552531) 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 15 ways as a sum of consecutive naturals, for example, 38056 + ... + 64306.

It is an arithmetic number, because the mean of its divisors is an integer number (94087168).

Almost surely, 2^1343552431 is an apocalyptic number.

1343552431 is a deficient number, since it is larger than the sum of its proper divisors (161842257).

1343552431 is a wasteful number, since it uses less digits than its factorization.

1343552431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26422.

The product of its digits is 21600, while the sum is 31.

The square root of 1343552431 is about 36654.5008286841. The cubic root of 1343552431 is about 1103.4471560654.

The spelling of 1343552431 in words is "one billion, three hundred forty-three million, five hundred fifty-two thousand, four hundred thirty-one".