102002211031013 has 4 divisors (see below), whose sum is σ = 102082087470060. Its totient is φ = 101922334591968.

The previous prime is 102002211031001. The next prime is 102002211031073. The reversal of 102002211031013 is 310130112200201.

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 25243620635809 + 76758590395204 = 5024303^2 + 8761198^2 .

It is a cyclic number.

It is not a de Polignac number, because 102002211031013 - 2⁴ = 102002211030997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102002211030982 and 102002211031000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102002211031073) 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, 39938217608 + ... + 39938220161.

It is an arithmetic number, because the mean of its divisors is an integer number (25520521867515).

Almost surely, 2^{102002211031013} is an apocalyptic number.

It is an amenable number.

102002211031013 is a deficient number, since it is larger than the sum of its proper divisors (79876439047).

102002211031013 is an equidigital number, since it uses as much as digits as its factorization.

102002211031013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79876439046.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 102002211031013 its reverse (310130112200201), we get a palindrome (412132323231214).

The spelling of 102002211031013 in words is "one hundred two trillion, two billion, two hundred eleven million, thirty-one thousand, thirteen".