313343143 has 4 divisors (see below), whose sum is σ = 314087848. Its totient is φ = 312598440.

The previous prime is 313343137. The next prime is 313343207. The reversal of 313343143 is 341343313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341343313 = 4549 ⋅75037.

It is a cyclic number.

It is not a de Polignac number, because 313343143 - 2⁵ = 313343111 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 (313343123) 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, 371721 + ... + 372562.

It is an arithmetic number, because the mean of its divisors is an integer number (78521962).

Almost surely, 2^313343143 is an apocalyptic number.

313343143 is a deficient number, since it is larger than the sum of its proper divisors (744705).

313343143 is an equidigital number, since it uses as much as digits as its factorization.

313343143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744704.

The product of its digits is 3888, while the sum is 25.

The square root of 313343143 is about 17701.5011510324. The cubic root of 313343143 is about 679.2141606810.

Adding to 313343143 its reverse (341343313), we get a palindrome (654686456).

The spelling of 313343143 in words is "three hundred thirteen million, three hundred forty-three thousand, one hundred forty-three".