113103123213 has 32 divisors (see below), whose sum is σ = 160443676800. Its totient is φ = 70747520256.

The previous prime is 113103123209. The next prime is 113103123227. The reversal of 113103123213 is 312321301311.

It is a happy number.

It is not a de Polignac number, because 113103123213 - 2² = 113103123209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113103123213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113103123013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 660243 + ... + 813711.

It is an arithmetic number, because the mean of its divisors is an integer number (5013864900).

Almost surely, 2^113103123213 is an apocalyptic number.

It is an amenable number.

113103123213 is a deficient number, since it is larger than the sum of its proper divisors (47340553587).

113103123213 is a wasteful number, since it uses less digits than its factorization.

113103123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153741.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 113103123213 its reverse (312321301311), we get a palindrome (425424424524).

The spelling of 113103123213 in words is "one hundred thirteen billion, one hundred three million, one hundred twenty-three thousand, two hundred thirteen".