20101133313 has 32 divisors (see below), whose sum is σ = 30083788800. Its totient is φ = 13264026768.

The previous prime is 20101133309. The next prime is 20101133321. The reversal of 20101133313 is 31333110102.

It is a happy number.

It is not a de Polignac number, because 20101133313 - 2² = 20101133309 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20101133113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4501720 + ... + 4506182.

It is an arithmetic number, because the mean of its divisors is an integer number (940118400).

Almost surely, 2^20101133313 is an apocalyptic number.

It is an amenable number.

20101133313 is a deficient number, since it is larger than the sum of its proper divisors (9982655487).

20101133313 is a wasteful number, since it uses less digits than its factorization.

20101133313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6138 (or 6132 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 20101133313 its reverse (31333110102), we get a palindrome (51434243415).

The spelling of 20101133313 in words is "twenty billion, one hundred one million, one hundred thirty-three thousand, three hundred thirteen".