203343343311344 has 40 divisors (see below), whose sum is σ = 399528609969888. Its totient is φ = 100239199522560.

The previous prime is 203343343311223. The next prime is 203343343311359. The reversal of 203343343311344 is 443113343343302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430031654 + ... + 430504250.

Almost surely, 2^{203343343311344} is an apocalyptic number.

It is an amenable number.

203343343311344 is a deficient number, since it is larger than the sum of its proper divisors (196185266658544).

203343343311344 is a wasteful number, since it uses less digits than its factorization.

203343343311344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851433 (or 851427 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 41.

Adding to 203343343311344 its reverse (443113343343302), we get a palindrome (646456686654646).

The spelling of 203343343311344 in words is "two hundred three trillion, three hundred forty-three billion, three hundred forty-three million, three hundred eleven thousand, three hundred forty-four".