1002022023231 has 48 divisors (see below), whose sum is σ = 1466508476160. Its totient is φ = 659227161600.

The previous prime is 1002022023203. The next prime is 1002022023239. The reversal of 1002022023231 is 1323202202001.

1002022023231 is a `hidden beast` number, since 100 + 20 + 220 + 2 + 323 + 1 = 666.

It is not a de Polignac number, because 1002022023231 - 2⁹ = 1002022022719 is a prime.

It is a super-2 number, since 2×1002022023231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002022023239) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 470652775 + ... + 470654903.

It is an arithmetic number, because the mean of its divisors is an integer number (30552259920).

Almost surely, 2^{1002022023231} is an apocalyptic number.

1002022023231 is a deficient number, since it is larger than the sum of its proper divisors (464486452929).

1002022023231 is a wasteful number, since it uses less digits than its factorization.

1002022023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696 (or 3693 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1002022023231 its reverse (1323202202001), we get a palindrome (2325224225232).

The spelling of 1002022023231 in words is "one trillion, two billion, twenty-two million, twenty-three thousand, two hundred thirty-one".