113213120404 has 24 divisors (see below), whose sum is σ = 198547144488. Its totient is φ = 56485478400.

The previous prime is 113213120359. The next prime is 113213120443. The reversal of 113213120404 is 404021312311.

It can be written as a sum of positive squares in 4 ways, for example, as 96764544900 + 16448575504 = 311070^2 + 128252^2 .

It is a super-2 number, since 2×113213120404² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4322452 + ... + 4348564.

It is an arithmetic number, because the mean of its divisors is an integer number (8272797687).

Almost surely, 2^113213120404 is an apocalyptic number.

It is an amenable number.

113213120404 is a deficient number, since it is larger than the sum of its proper divisors (85334024084).

113213120404 is a wasteful number, since it uses less digits than its factorization.

113213120404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28395 (or 28393 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 113213120404 its reverse (404021312311), we get a palindrome (517234432715).

The spelling of 113213120404 in words is "one hundred thirteen billion, two hundred thirteen million, one hundred twenty thousand, four hundred four".