1313202043 has 32 divisors (see below), whose sum is σ = 1560176640. Its totient is φ = 1095874560.

The previous prime is 1313202029. The next prime is 1313202049. The reversal of 1313202043 is 3402023131.

It is not a de Polignac number, because 1313202043 - 2¹³ = 1313193851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1313202043.

It is not an unprimeable number, because it can be changed into a prime (1313202049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347283 + ... + 351043.

It is an arithmetic number, because the mean of its divisors is an integer number (48755520).

Almost surely, 2^1313202043 is an apocalyptic number.

1313202043 is a deficient number, since it is larger than the sum of its proper divisors (246974597).

1313202043 is a wasteful number, since it uses less digits than its factorization.

1313202043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1313202043 is about 36238.1296840772. The cubic root of 1313202043 is about 1095.0749635577.

Adding to 1313202043 its reverse (3402023131), we get a palindrome (4715225174).

The spelling of 1313202043 in words is "one billion, three hundred thirteen million, two hundred two thousand, forty-three".