1343143032520 has 32 divisors (see below), whose sum is σ = 3022120193400. Its totient is φ = 537248613888.

The previous prime is 1343143032487. The next prime is 1343143032521. The reversal of 1343143032520 is 252303413431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 829808039844 + 513334992676 = 910938^2 + 716474^2 .

It is not an unprimeable number, because it can be changed into a prime (1343143032521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2654122 + ... + 3119398.

Almost surely, 2^{1343143032520} is an apocalyptic number.

1343143032520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343143032520 is an abundant number, since it is smaller than the sum of its proper divisors (1678977160880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1343143032520 is a wasteful number, since it uses less digits than its factorization.

1343143032520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537457 (or 537453 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 1343143032520 its reverse (252303413431), we get a palindrome (1595446445951).

The spelling of 1343143032520 in words is "one trillion, three hundred forty-three billion, one hundred forty-three million, thirty-two thousand, five hundred twenty".