203241011409 has 48 divisors (see below), whose sum is σ = 308268979200. Its totient is φ = 133798859856.

The previous prime is 203241011381. The next prime is 203241011419. The reversal of 203241011409 is 904110142302.

It is a happy number.

203241011409 is a `hidden beast` number, since 2 + 0 + 3 + 241 + 0 + 11 + 409 = 666.

It is not a de Polignac number, because 203241011409 - 2²¹ = 203238914257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (203241011419) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8974102 + ... + 8996720.

It is an arithmetic number, because the mean of its divisors is an integer number (6422270400).

Almost surely, 2^203241011409 is an apocalyptic number.

It is an amenable number.

203241011409 is a deficient number, since it is larger than the sum of its proper divisors (105027967791).

203241011409 is a wasteful number, since it uses less digits than its factorization.

203241011409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23096 (or 23084 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 203241011409 in words is "two hundred three billion, two hundred forty-one million, eleven thousand, four hundred nine".