203023131022 has 4 divisors (see below), whose sum is σ = 304534696536. Its totient is φ = 101511565510.

The previous prime is 203023130971. The next prime is 203023131053. The reversal of 203023131022 is 220131320302.

203023131022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220131320302 = 2 ⋅110065660151.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50755782754 + ... + 50755782757.

It is an arithmetic number, because the mean of its divisors is an integer number (76133674134).

Almost surely, 2^203023131022 is an apocalyptic number.

203023131022 is a deficient number, since it is larger than the sum of its proper divisors (101511565514).

203023131022 is a wasteful number, since it uses less digits than its factorization.

203023131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101511565513.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203023131022 its reverse (220131320302), we get a palindrome (423154451324).

The spelling of 203023131022 in words is "two hundred three billion, twenty-three million, one hundred thirty-one thousand, twenty-two".