1002220310231 has 24 divisors (see below), whose sum is σ = 1234694528640. Its totient is φ = 809431972272.

The previous prime is 1002220310209. The next prime is 1002220310257. The reversal of 1002220310231 is 1320130222001.

It is not a de Polignac number, because 1002220310231 - 2³⁸ = 727342403287 is a prime.

It is a super-2 number, since 2×1002220310231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002220310291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6560921 + ... + 6711938.

It is an arithmetic number, because the mean of its divisors is an integer number (51445605360).

Almost surely, 2^{1002220310231} is an apocalyptic number.

1002220310231 is a deficient number, since it is larger than the sum of its proper divisors (232474218409).

1002220310231 is a wasteful number, since it uses less digits than its factorization.

1002220310231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13272963 (or 13272956 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1002220310231 its reverse (1320130222001), we get a palindrome (2322350532232).

The spelling of 1002220310231 in words is "one trillion, two billion, two hundred twenty million, three hundred ten thousand, two hundred thirty-one".