20103312213 has 32 divisors (see below), whose sum is σ = 30084489600. Its totient is φ = 13266633600.

The previous prime is 20103312161. The next prime is 20103312217. The reversal of 20103312213 is 31221330102.

It is not a de Polignac number, because 20103312213 - 2¹² = 20103308117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103312217) 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, 3885118 + ... + 3890288.

It is an arithmetic number, because the mean of its divisors is an integer number (940140300).

Almost surely, 2^20103312213 is an apocalyptic number.

It is an amenable number.

20103312213 is a deficient number, since it is larger than the sum of its proper divisors (9981177387).

20103312213 is a wasteful number, since it uses less digits than its factorization.

20103312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6610 (or 6604 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20103312213 its reverse (31221330102), we get a palindrome (51324642315).

The spelling of 20103312213 in words is "twenty billion, one hundred three million, three hundred twelve thousand, two hundred thirteen".