102002031011113 has 4 divisors (see below), whose sum is σ = 104758842660100. Its totient is φ = 99245219362128.

The previous prime is 102002031011093. The next prime is 102002031011201. The reversal of 102002031011113 is 311110130200201.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 85716544772329 + 16285486238784 = 9258323^2 + 4035528^2 .

It is a cyclic number.

It is not a de Polignac number, because 102002031011113 - 2⁵ = 102002031011081 is a prime.

It is a super-2 number, since 2×102002031011113² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102002031021113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378405824438 + ... + 1378405824511.

It is an arithmetic number, because the mean of its divisors is an integer number (26189710665025).

Almost surely, 2^{102002031011113} is an apocalyptic number.

It is an amenable number.

102002031011113 is a deficient number, since it is larger than the sum of its proper divisors (2756811648987).

102002031011113 is an equidigital number, since it uses as much as digits as its factorization.

102002031011113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756811648986.

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

Adding to 102002031011113 its reverse (311110130200201), we get a palindrome (413112161211314).

The spelling of 102002031011113 in words is "one hundred two trillion, two billion, thirty-one million, eleven thousand, one hundred thirteen".