1303012343 has 16 divisors (see below), whose sum is σ = 1386270720. Its totient is φ = 1221287616.

The previous prime is 1303012331. The next prime is 1303012391. The reversal of 1303012343 is 3432103031.

It is a cyclic number.

It is not a de Polignac number, because 1303012343 - 2⁴ = 1303012327 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 (1303012393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 996296 + ... + 997602.

It is an arithmetic number, because the mean of its divisors is an integer number (86641920).

Almost surely, 2^1303012343 is an apocalyptic number.

1303012343 is a deficient number, since it is larger than the sum of its proper divisors (83258377).

1303012343 is a wasteful number, since it uses less digits than its factorization.

1303012343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1303012343 is about 36097.2622646095. The cubic root of 1303012343 is about 1092.2352198840.

Adding to 1303012343 its reverse (3432103031), we get a palindrome (4735115374).

The spelling of 1303012343 in words is "one billion, three hundred three million, twelve thousand, three hundred forty-three".