100202130305 has 4 divisors (see below), whose sum is σ = 120242556372. Its totient is φ = 80161704240.

The previous prime is 100202130283. The next prime is 100202130319. The reversal of 100202130305 is 503031202001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503031202001 = 349 ⋅1441350149.

It can be written as a sum of positive squares in 2 ways, for example, as 63657308416 + 36544821889 = 252304^2 + 191167^2 .

It is a de Polignac number, because none of the positive numbers 2^k-100202130305 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10020213026 + ... + 10020213035.

It is an arithmetic number, because the mean of its divisors is an integer number (30060639093).

Almost surely, 2^100202130305 is an apocalyptic number.

It is an amenable number.

100202130305 is a deficient number, since it is larger than the sum of its proper divisors (20040426067).

100202130305 is an equidigital number, since it uses as much as digits as its factorization.

100202130305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20040426066.

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 100202130305 its reverse (503031202001), we get a palindrome (603233332306).

The spelling of 100202130305 in words is "one hundred billion, two hundred two million, one hundred thirty thousand, three hundred five".