203113111322 has 32 divisors (see below), whose sum is σ = 333970024320. Its totient is φ = 91879202880.

The previous prime is 203113111291. The next prime is 203113111379. The reversal of 203113111322 is 223111311302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 203113111294 and 203113111303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12874283 + ... + 12890049.

It is an arithmetic number, because the mean of its divisors is an integer number (10436563260).

Almost surely, 2^203113111322 is an apocalyptic number.

203113111322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203113111322 is a deficient number, since it is larger than the sum of its proper divisors (130856912998).

203113111322 is a wasteful number, since it uses less digits than its factorization.

203113111322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18566.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 203113111322 its reverse (223111311302), we get a palindrome (426224422624).

The spelling of 203113111322 in words is "two hundred three billion, one hundred thirteen million, one hundred eleven thousand, three hundred twenty-two".