203311220029 has 8 divisors (see below), whose sum is σ = 204606930528. Its totient is φ = 202017404880.

The previous prime is 203311220009. The next prime is 203311220039. The reversal of 203311220029 is 920022113302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203311220029 - 2⁵ = 203311219997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203311219985 and 203311220012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203311220009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258307 + ... + 688000.

It is an arithmetic number, because the mean of its divisors is an integer number (25575866316).

Almost surely, 2^203311220029 is an apocalyptic number.

It is an amenable number.

203311220029 is a deficient number, since it is larger than the sum of its proper divisors (1295710499).

203311220029 is a wasteful number, since it uses less digits than its factorization.

203311220029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947675.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 203311220029 in words is "two hundred three billion, three hundred eleven million, two hundred twenty thousand, twenty-nine".