203113322344 has 32 divisors (see below), whose sum is σ = 382009365000. Its totient is φ = 101244301312.

The previous prime is 203113322261. The next prime is 203113322351. The reversal of 203113322344 is 443223311302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 158832537444 + 44280784900 = 398538^2 + 210430^2 .

It is a super-3 number, since 3×203113322344³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18545382 + ... + 18556330.

Almost surely, 2^203113322344 is an apocalyptic number.

It is an amenable number.

203113322344 is a deficient number, since it is larger than the sum of its proper divisors (178896042656).

203113322344 is a wasteful number, since it uses less digits than its factorization.

203113322344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17877 (or 17873 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 203113322344 its reverse (443223311302), we get a palindrome (646336633646).

The spelling of 203113322344 in words is "two hundred three billion, one hundred thirteen million, three hundred twenty-two thousand, three hundred forty-four".