113131211230 has 16 divisors (see below), whose sum is σ = 203641653600. Its totient is φ = 45251268192.

The previous prime is 113131211197. The next prime is 113131211231. The reversal of 113131211230 is 32112131311.

It is a super-2 number, since 2×113131211230² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113131211198 and 113131211207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113131211231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303652 + ... + 564328.

It is an arithmetic number, because the mean of its divisors is an integer number (12727603350).

Almost surely, 2^113131211230 is an apocalyptic number.

113131211230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113131211230 is a deficient number, since it is larger than the sum of its proper divisors (90510442370).

113131211230 is a wasteful number, since it uses less digits than its factorization.

113131211230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304083.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 113131211230 its reverse (32112131311), we get a palindrome (145243342541).

The spelling of 113131211230 in words is "one hundred thirteen billion, one hundred thirty-one million, two hundred eleven thousand, two hundred thirty".