1002011213131 has 8 divisors (see below), whose sum is σ = 1003829988960. Its totient is φ = 1000193308032.

The previous prime is 1002011213123. The next prime is 1002011213141. The reversal of 1002011213131 is 1313121102001.

It is a happy number.

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 1002011213131 - 2³ = 1002011213123 is a prime.

It is a super-2 number, since 2×1002011213131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002011213141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2108451 + ... + 2539603.

It is an arithmetic number, because the mean of its divisors is an integer number (125478748620).

Almost surely, 2^{1002011213131} is an apocalyptic number.

1002011213131 is a deficient number, since it is larger than the sum of its proper divisors (1818775829).

1002011213131 is an equidigital number, since it uses as much as digits as its factorization.

1002011213131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435365.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1002011213131 its reverse (1313121102001), we get a palindrome (2315132315132).

The spelling of 1002011213131 in words is "one trillion, two billion, eleven million, two hundred thirteen thousand, one hundred thirty-one".