1002131030111 has 4 divisors (see below), whose sum is σ = 1002419915400. Its totient is φ = 1001842144824.

The previous prime is 1002131030081. The next prime is 1002131030141. The reversal of 1002131030111 is 1110301312001.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1002131030081) and next prime (1002131030141).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002131030111 is a prime.

It is a super-2 number, since 2×1002131030111² (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 (1002131030141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144437441 + ... + 144444378.

It is an arithmetic number, because the mean of its divisors is an integer number (250604978850).

Almost surely, 2^{1002131030111} is an apocalyptic number.

1002131030111 is a deficient number, since it is larger than the sum of its proper divisors (288885289).

1002131030111 is an equidigital number, since it uses as much as digits as its factorization.

1002131030111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288885288.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1002131030111 its reverse (1110301312001), we get a palindrome (2112432342112).

The spelling of 1002131030111 in words is "one trillion, two billion, one hundred thirty-one million, thirty thousand, one hundred eleven".