1313450343 has 16 divisors (see below), whose sum is σ = 1952121600. Its totient is φ = 872812440.

The previous prime is 1313450329. The next prime is 1313450363. The reversal of 1313450343 is 3430543131.

1313450343 is a `hidden beast` number, since 1 + 313 + 4 + 5 + 0 + 343 = 666.

It is not a de Polignac number, because 1313450343 - 2⁶ = 1313450279 is a prime.

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 (1313450323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69813 + ... + 86606.

It is an arithmetic number, because the mean of its divisors is an integer number (122007600).

Almost surely, 2^1313450343 is an apocalyptic number.

1313450343 is a deficient number, since it is larger than the sum of its proper divisors (638671257).

1313450343 is a wasteful number, since it uses less digits than its factorization.

1313450343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156739 (or 156733 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 1313450343 is about 36241.5554715854. Note that the first 3 decimals coincide. The cubic root of 1313450343 is about 1095.1439780655.

Adding to 1313450343 its reverse (3430543131), we get a palindrome (4743993474).

The spelling of 1313450343 in words is "one billion, three hundred thirteen million, four hundred fifty thousand, three hundred forty-three".