203113131313122 has 24 divisors (see below), whose sum is σ = 440415160067376. Its totient is φ = 67652575736856.

The previous prime is 203113131313073. The next prime is 203113131313123. The reversal of 203113131313122 is 221313131311302.

203113131313122 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 1 + 31 + 313 + 1 + 312 + 2 = 666.

It is a super-2 number, since 2×203113131313122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203113131313123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4316756448 + ... + 4316803499.

It is an arithmetic number, because the mean of its divisors is an integer number (18350631669474).

Almost surely, 2^{203113131313122} is an apocalyptic number.

203113131313122 is an abundant number, since it is smaller than the sum of its proper divisors (237302028754254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203113131313122 is a wasteful number, since it uses less digits than its factorization.

203113131313122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8633561262 (or 8633561259 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 203113131313122 its reverse (221313131311302), we get a palindrome (424426262624424).

The spelling of 203113131313122 in words is "two hundred three trillion, one hundred thirteen billion, one hundred thirty-one million, three hundred thirteen thousand, one hundred twenty-two".