1022331313 has 4 divisors (see below), whose sum is σ = 1022427648. Its totient is φ = 1022234980.

The previous prime is 1022331311. The next prime is 1022331319. The reversal of 1022331313 is 3131332201.

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: 3131332201 = 163 ⋅19210627.

It is a cyclic number.

It is not a de Polignac number, because 1022331313 - 2¹ = 1022331311 is a prime.

It is a super-2 number, since 2×1022331313² = 2090322627080607938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022331311) 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, 29953 + ... + 54238.

It is an arithmetic number, because the mean of its divisors is an integer number (255606912).

Almost surely, 2^1022331313 is an apocalyptic number.

It is an amenable number.

1022331313 is a deficient number, since it is larger than the sum of its proper divisors (96335).

1022331313 is an equidigital number, since it uses as much as digits as its factorization.

1022331313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96334.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1022331313 is about 31973.9161348747. The cubic root of 1022331313 is about 1007.3890386328.

Adding to 1022331313 its reverse (3131332201), we get a palindrome (4153663514).

The spelling of 1022331313 in words is "one billion, twenty-two million, three hundred thirty-one thousand, three hundred thirteen".