1022313031 has 4 divisors (see below), whose sum is σ = 1076119000. Its totient is φ = 968507064.

The previous prime is 1022312999. The next prime is 1022313041. The reversal of 1022313031 is 1303132201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1303132201 = 7 ⋅186161743.

It is not a de Polignac number, because 1022313031 - 2⁵ = 1022312999 is a prime.

It is a super-2 number, since 2×1022313031² = 2090247866704813922, 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 = 1022312996 and 1022313014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022313041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26902956 + ... + 26902993.

It is an arithmetic number, because the mean of its divisors is an integer number (269029750).

Almost surely, 2^1022313031 is an apocalyptic number.

1022313031 is a deficient number, since it is larger than the sum of its proper divisors (53805969).

1022313031 is an equidigital number, since it uses as much as digits as its factorization.

1022313031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53805968.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1022313031 is about 31973.6302443123. The cubic root of 1022313031 is about 1007.3830336662.

Adding to 1022313031 its reverse (1303132201), we get a palindrome (2325445232).

The spelling of 1022313031 in words is "one billion, twenty-two million, three hundred thirteen thousand, thirty-one".