1031122023 has 4 divisors (see below), whose sum is σ = 1374829368. Its totient is φ = 687414680.

The previous prime is 1031122021. The next prime is 1031122051. The reversal of 1031122023 is 3202211301.

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 1031122023 - 2¹ = 1031122021 is a prime.

It is a super-2 number, since 2×1031122023² = 2126425252631225058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1031121993 and 1031122011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031122021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171853668 + ... + 171853673.

It is an arithmetic number, because the mean of its divisors is an integer number (343707342).

Almost surely, 2^1031122023 is an apocalyptic number.

1031122023 is a deficient number, since it is larger than the sum of its proper divisors (343707345).

1031122023 is an equidigital number, since it uses as much as digits as its factorization.

1031122023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343707344.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1031122023 is about 32111.0887856516. The cubic root of 1031122023 is about 1010.2682106368.

Adding to 1031122023 its reverse (3202211301), we get a palindrome (4233333324).

The spelling of 1031122023 in words is "one billion, thirty-one million, one hundred twenty-two thousand, twenty-three".