113131310303212 has 48 divisors (see below), whose sum is σ = 205342273936800. Its totient is φ = 54472336289280.

The previous prime is 113131310303203. The next prime is 113131310303233. The reversal of 113131310303212 is 212303013131311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283563223 + ... + 283961905.

It is an arithmetic number, because the mean of its divisors is an integer number (4277964040350).

Almost surely, 2^{113131310303212} is an apocalyptic number.

It is an amenable number.

113131310303212 is a deficient number, since it is larger than the sum of its proper divisors (92210963633588).

113131310303212 is a wasteful number, since it uses less digits than its factorization.

113131310303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405106 (or 405104 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 113131310303212 its reverse (212303013131311), we get a palindrome (325434323434523).

The spelling of 113131310303212 in words is "one hundred thirteen trillion, one hundred thirty-one billion, three hundred ten million, three hundred three thousand, two hundred twelve".