203481091 has 8 divisors (see below), whose sum is σ = 224017200. Its totient is φ = 183284640.

The previous prime is 203481079. The next prime is 203481097. The reversal of 203481091 is 190184302.

It is a happy number.

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

It is not a de Polignac number, because 203481091 - 2¹¹ = 203479043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203481097) 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, 83656 + ... + 86053.

It is an arithmetic number, because the mean of its divisors is an integer number (28002150).

Almost surely, 2^203481091 is an apocalyptic number.

203481091 is a deficient number, since it is larger than the sum of its proper divisors (20536109).

203481091 is a wasteful number, since it uses less digits than its factorization.

203481091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169829.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 203481091 is about 14264.6798421836. The cubic root of 203481091 is about 588.1769746266.

The spelling of 203481091 in words is "two hundred three million, four hundred eighty-one thousand, ninety-one".