1001220002031 has 8 divisors (see below), whose sum is σ = 1334975693184. Its totient is φ = 667472156120.

The previous prime is 1001220002017. The next prime is 1001220002059. The reversal of 1001220002031 is 1302000221001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1001220002031 - 2³¹ = 999072518383 is a prime.

It is a super-2 number, since 2×1001220002031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001220001998 and 1001220002016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001220002011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1656771 + ... + 2178836.

It is an arithmetic number, because the mean of its divisors is an integer number (166871961648).

Almost surely, 2^{1001220002031} is an apocalyptic number.

1001220002031 is a deficient number, since it is larger than the sum of its proper divisors (333755691153).

1001220002031 is an equidigital number, since it uses as much as digits as its factorization.

1001220002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922621.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1001220002031 its reverse (1302000221001), we get a palindrome (2303220223032).

The spelling of 1001220002031 in words is "one trillion, one billion, two hundred twenty million, two thousand, thirty-one".