202431040422 has 32 divisors (see below), whose sum is σ = 450070010880. Its totient is φ = 60277232160.

The previous prime is 202431040373. The next prime is 202431040451. The reversal of 202431040422 is 224040134202.

202431040422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×202431040422² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202431040392 and 202431040401.

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 in 15 ways as a sum of consecutive naturals, for example, 41856772 + ... + 41861607.

It is an arithmetic number, because the mean of its divisors is an integer number (14064687840).

Almost surely, 2^202431040422 is an apocalyptic number.

202431040422 is an abundant number, since it is smaller than the sum of its proper divisors (247638970458).

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

202431040422 is a wasteful number, since it uses less digits than its factorization.

202431040422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83718428.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 202431040422 its reverse (224040134202), we get a palindrome (426471174624).

The spelling of 202431040422 in words is "two hundred two billion, four hundred thirty-one million, forty thousand, four hundred twenty-two".