201031055 has 8 divisors (see below), whose sum is σ = 241439712. Its totient is φ = 160689888.

The previous prime is 201031043. The next prime is 201031057. The reversal of 201031055 is 550130102.

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 201031055 - 2⁸ = 201030799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201031057) 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, 10067 + ... + 22436.

It is an arithmetic number, because the mean of its divisors is an integer number (30179964).

Almost surely, 2^201031055 is an apocalyptic number.

201031055 is a deficient number, since it is larger than the sum of its proper divisors (40408657).

201031055 is a wasteful number, since it uses less digits than its factorization.

201031055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33745.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 201031055 is about 14178.5420618624. The cubic root of 201031055 is about 585.8067666922.

Adding to 201031055 its reverse (550130102), we get a palindrome (751161157).

The spelling of 201031055 in words is "two hundred one million, thirty-one thousand, fifty-five".