1002111013031 has 4 divisors (see below), whose sum is σ = 1003008159192. Its totient is φ = 1001213866872.

The previous prime is 1002111013009. The next prime is 1002111013037. The reversal of 1002111013031 is 1303101112001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1002111013031 - 2³⁰ = 1001037271207 is a prime.

It is a super-2 number, since 2×1002111013031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002111012997 and 1002111013015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002111013037) 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, 448571405 + ... + 448573638.

It is an arithmetic number, because the mean of its divisors is an integer number (250752039798).

Almost surely, 2^{1002111013031} is an apocalyptic number.

1002111013031 is a deficient number, since it is larger than the sum of its proper divisors (897146161).

1002111013031 is an equidigital number, since it uses as much as digits as its factorization.

1002111013031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897146160.

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

Adding to 1002111013031 its reverse (1303101112001), we get a palindrome (2305212125032).

The spelling of 1002111013031 in words is "one trillion, two billion, one hundred eleven million, thirteen thousand, thirty-one".