1022023031 has 4 divisors (see below), whose sum is σ = 1046950464. Its totient is φ = 997095600.

The previous prime is 1022023003. The next prime is 1022023043. The reversal of 1022023031 is 1303202201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022023031 is a prime.

It is a super-2 number, since 2×1022023031² = 2089062151788853922, 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 = 1022022997 and 1022023015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022023001) 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, 12463655 + ... + 12463736.

It is an arithmetic number, because the mean of its divisors is an integer number (261737616).

Almost surely, 2^1022023031 is an apocalyptic number.

1022023031 is a deficient number, since it is larger than the sum of its proper divisors (24927433).

1022023031 is an equidigital number, since it uses as much as digits as its factorization.

1022023031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24927432.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1022023031 is about 31969.0949355780. The cubic root of 1022023031 is about 1007.2877697241.

Adding to 1022023031 its reverse (1303202201), we get a palindrome (2325225232).

The spelling of 1022023031 in words is "one billion, twenty-two million, twenty-three thousand, thirty-one".