1313201143 has 8 divisors (see below), whose sum is σ = 1321023600. Its totient is φ = 1305389568.

The previous prime is 1313201119. The next prime is 1313201147. The reversal of 1313201143 is 3411023131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313201143 - 2⁵ = 1313201111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313201143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313201147) 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, 449973 + ... + 452881.

It is an arithmetic number, because the mean of its divisors is an integer number (165127950).

Almost surely, 2^1313201143 is an apocalyptic number.

1313201143 is a deficient number, since it is larger than the sum of its proper divisors (7822457).

1313201143 is a wasteful number, since it uses less digits than its factorization.

1313201143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5441.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1313201143 is about 36238.1172662157. The cubic root of 1313201143 is about 1095.0747133886.

Adding to 1313201143 its reverse (3411023131), we get a palindrome (4724224274).

The spelling of 1313201143 in words is "one billion, three hundred thirteen million, two hundred one thousand, one hundred forty-three".