1310223143 has 4 divisors (see below), whose sum is σ = 1326009048. Its totient is φ = 1294437240.

The previous prime is 1310223127. The next prime is 1310223151. The reversal of 1310223143 is 3413220131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1310223143 - 2⁴ = 1310223127 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 (1310220143) 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, 7892828 + ... + 7892993.

It is an arithmetic number, because the mean of its divisors is an integer number (331502262).

Almost surely, 2^1310223143 is an apocalyptic number.

1310223143 is a deficient number, since it is larger than the sum of its proper divisors (15785905).

1310223143 is an equidigital number, since it uses as much as digits as its factorization.

1310223143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15785904.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1310223143 is about 36197.0046136417. The cubic root of 1310223143 is about 1094.2463049459.

Adding to 1310223143 its reverse (3413220131), we get a palindrome (4723443274).

The spelling of 1310223143 in words is "one billion, three hundred ten million, two hundred twenty-three thousand, one hundred forty-three".