113131401332 has 24 divisors (see below), whose sum is σ = 198186086280. Its totient is φ = 56506844160.

The previous prime is 113131401329. The next prime is 113131401343. The reversal of 113131401332 is 233104131311.

It can be written as a sum of positive squares in 4 ways, for example, as 6140916496 + 106990484836 = 78364^2 + 327094^2 .

It is a junction number, because it is equal to n+sod(n) for n = 113131401298 and 113131401307.

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, 23137544 + ... + 23142432.

It is an arithmetic number, because the mean of its divisors is an integer number (8257753595).

Almost surely, 2^113131401332 is an apocalyptic number.

It is an amenable number.

113131401332 is a deficient number, since it is larger than the sum of its proper divisors (85054684948).

113131401332 is a wasteful number, since it uses less digits than its factorization.

113131401332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9731 (or 9729 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 113131401332 its reverse (233104131311), we get a palindrome (346235532643).

The spelling of 113131401332 in words is "one hundred thirteen billion, one hundred thirty-one million, four hundred one thousand, three hundred thirty-two".