1343133503 has 4 divisors (see below), whose sum is σ = 1413824760. Its totient is φ = 1272442248.

The previous prime is 1343133479. The next prime is 1343133551. The reversal of 1343133503 is 3053313431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1343133503 - 2²⁰ = 1342084927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343133593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35345600 + ... + 35345637.

It is an arithmetic number, because the mean of its divisors is an integer number (353456190).

Almost surely, 2^1343133503 is an apocalyptic number.

1343133503 is a deficient number, since it is larger than the sum of its proper divisors (70691257).

1343133503 is an equidigital number, since it uses as much as digits as its factorization.

1343133503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70691256.

The product of its (nonzero) digits is 4860, while the sum is 26.

The square root of 1343133503 is about 36648.7858325484. The cubic root of 1343133503 is about 1103.3324569157.

Adding to 1343133503 its reverse (3053313431), we get a palindrome (4396446934).

The spelling of 1343133503 in words is "one billion, three hundred forty-three million, one hundred thirty-three thousand, five hundred three".