203131133122 has 8 divisors (see below), whose sum is σ = 304698857472. Its totient is φ = 101564847300.

The previous prime is 203131133113. The next prime is 203131133143. The reversal of 203131133122 is 221331131302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 203131133093 and 203131133102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122847 + ... + 649117.

It is an arithmetic number, because the mean of its divisors is an integer number (38087357184).

Almost surely, 2^203131133122 is an apocalyptic number.

203131133122 is a deficient number, since it is larger than the sum of its proper divisors (101567724350).

203131133122 is a wasteful number, since it uses less digits than its factorization.

203131133122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719264.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 203131133122 its reverse (221331131302), we get a palindrome (424462264424).

The spelling of 203131133122 in words is "two hundred three billion, one hundred thirty-one million, one hundred thirty-three thousand, one hundred twenty-two".