20100350313 has 28 divisors (see below), whose sum is σ = 30328865668. Its totient is φ = 13314805920.

The previous prime is 20100350311. The next prime is 20100350317. The reversal of 20100350313 is 31305300102.

20100350313 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 0 + 350 + 313 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12640055184 + 7460295129 = 112428^2 + 86373^2 .

It is not a de Polignac number, because 20100350313 - 2¹ = 20100350311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20100350311) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 26643 + ... + 202263.

Almost surely, 2^20100350313 is an apocalyptic number.

It is an amenable number.

20100350313 is a deficient number, since it is larger than the sum of its proper divisors (10228515355).

20100350313 is an equidigital number, since it uses as much as digits as its factorization.

20100350313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175796 (or 175781 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

Adding to 20100350313 its reverse (31305300102), we get a palindrome (51405650415).

The spelling of 20100350313 in words is "twenty billion, one hundred million, three hundred fifty thousand, three hundred thirteen".