1020313443 has 8 divisors (see below), whose sum is σ = 1397186128. Its totient is φ = 661824864.

The previous prime is 1020313403. The next prime is 1020313451. The reversal of 1020313443 is 3443130201.

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

It is not a de Polignac number, because 1020313443 - 2⁸ = 1020313187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020313403) 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, 4595896 + ... + 4596117.

It is an arithmetic number, because the mean of its divisors is an integer number (174648266).

Almost surely, 2^1020313443 is an apocalyptic number.

1020313443 is a deficient number, since it is larger than the sum of its proper divisors (376872685).

1020313443 is an equidigital number, since it uses as much as digits as its factorization.

1020313443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9192053.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1020313443 is about 31942.3456089248. The cubic root of 1020313443 is about 1006.7258097327.

Adding to 1020313443 its reverse (3443130201), we get a palindrome (4463443644).

The spelling of 1020313443 in words is "one billion, twenty million, three hundred thirteen thousand, four hundred forty-three".