1343231343 has 64 divisors (see below), whose sum is σ = 2087654400. Its totient is φ = 863742528.

The previous prime is 1343231297. The next prime is 1343231359. The reversal of 1343231343 is 3431323431.

1343231343 is a `hidden beast` number, since 1 + 343 + 2 + 313 + 4 + 3 = 666.

It is not a de Polignac number, because 1343231343 - 2¹⁰ = 1343230319 is a prime.

It is a super-3 number, since 3×1343231343³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343231363) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13041030 + ... + 13041132.

It is an arithmetic number, because the mean of its divisors is an integer number (32619600).

Almost surely, 2^1343231343 is an apocalyptic number.

1343231343 is a deficient number, since it is larger than the sum of its proper divisors (744423057).

1343231343 is an frugal number, since it uses more digits than its factorization.

1343231343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 262 counting only the distinct ones).

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

The square root of 1343231343 is about 36650.1206410020. The cubic root of 1343231343 is about 1103.3592468628.

Adding to 1343231343 its reverse (3431323431), we get a palindrome (4774554774).

The spelling of 1343231343 in words is "one billion, three hundred forty-three million, two hundred thirty-one thousand, three hundred forty-three".