Search a number
-
+
203031301 = 11157117563
BaseRepresentation
bin11000001101000…
…00001100000101
3112011001001120211
430012200030011
5403434000201
632051355421
75013510664
oct1406401405
9464031524
10203031301
11a4673470
1257bb2b71
13330a8c85
141cd70ddb
1512c57651
hexc1a0305

203031301 has 8 divisors (see below), whose sum is σ = 222901344. Its totient is φ = 183396720.

The previous prime is 203031299. The next prime is 203031319. The reversal of 203031301 is 103130302.

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 203031301 - 21 = 203031299 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 (203031341) 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, 57055 + ... + 60508.

It is an arithmetic number, because the mean of its divisors is an integer number (27862668).

Almost surely, 2203031301 is an apocalyptic number.

It is an amenable number.

203031301 is a deficient number, since it is larger than the sum of its proper divisors (19870043).

203031301 is a wasteful number, since it uses less digits than its factorization.

203031301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117731.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 203031301 is about 14248.9052561942. The cubic root of 203031301 is about 587.7432712762.

Adding to 203031301 its reverse (103130302), we get a palindrome (306161603).

Subtracting from 203031301 its reverse (103130302), we obtain a palindrome (99900999).

The spelling of 203031301 in words is "two hundred three million, thirty-one thousand, three hundred one".

Divisors: 1 11 157 1727 117563 1293193 18457391 203031301