1050220313 has 4 divisors (see below), whose sum is σ = 1050285840. Its totient is φ = 1050154788.

The previous prime is 1050220309. The next prime is 1050220337. The reversal of 1050220313 is 3130220501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3130220501 = 2707 ⋅1156343.

It is a cyclic number.

It is not a de Polignac number, because 1050220313 - 2² = 1050220309 is a prime.

It is a super-2 number, since 2×1050220313² = 2205925411675635938, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1050220291 and 1050220300.

It is not an unprimeable number, because it can be changed into a prime (1050220343) 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, 9158 + ... + 46736.

It is an arithmetic number, because the mean of its divisors is an integer number (262571460).

Almost surely, 2^1050220313 is an apocalyptic number.

It is an amenable number.

1050220313 is a deficient number, since it is larger than the sum of its proper divisors (65527).

1050220313 is an equidigital number, since it uses as much as digits as its factorization.

1050220313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65526.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1050220313 is about 32407.1028171295. The cubic root of 1050220313 is about 1016.4674392501.

Adding to 1050220313 its reverse (3130220501), we get a palindrome (4180440814).

The spelling of 1050220313 in words is "one billion, fifty million, two hundred twenty thousand, three hundred thirteen".