2113100213231 has 64 divisors (see below), whose sum is σ = 2652514615296. Its totient is φ = 1642191667200.

The previous prime is 2113100213227. The next prime is 2113100213261. The reversal of 2113100213231 is 1323120013112.

It is a happy number.

It is not a de Polignac number, because 2113100213231 - 2² = 2113100213227 is a prime.

It is a super-2 number, since 2×2113100213231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113100213261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 149402546 + ... + 149416688.

It is an arithmetic number, because the mean of its divisors is an integer number (41445540864).

Almost surely, 2^{2113100213231} is an apocalyptic number.

2113100213231 is a deficient number, since it is larger than the sum of its proper divisors (539414402065).

2113100213231 is a wasteful number, since it uses less digits than its factorization.

2113100213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14592.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2113100213231 its reverse (1323120013112), we get a palindrome (3436220226343).

The spelling of 2113100213231 in words is "two trillion, one hundred thirteen billion, one hundred million, two hundred thirteen thousand, two hundred thirty-one".