102304132013 has 4 divisors (see below), whose sum is σ = 103209478428. Its totient is φ = 101398785600.

The previous prime is 102304132009. The next prime is 102304132033. The reversal of 102304132013 is 310231403201.

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 41039466724 + 61264665289 = 202582^2 + 247517^2 .

It is a cyclic number.

It is not a de Polignac number, because 102304132013 - 2² = 102304132009 is a prime.

It is a super-2 number, since 2×102304132013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102304132033) 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, 452673038 + ... + 452673263.

It is an arithmetic number, because the mean of its divisors is an integer number (25802369607).

Almost surely, 2^102304132013 is an apocalyptic number.

It is an amenable number.

102304132013 is a deficient number, since it is larger than the sum of its proper divisors (905346415).

102304132013 is an equidigital number, since it uses as much as digits as its factorization.

102304132013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905346414.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102304132013 its reverse (310231403201), we get a palindrome (412535535214).

The spelling of 102304132013 in words is "one hundred two billion, three hundred four million, one hundred thirty-two thousand, thirteen".