Search a number
-
+
103031303 = 831241341
BaseRepresentation
bin1100010010000…
…10001000000111
321011212112101012
412021002020013
5202334000203
614120152435
72360515544
oct611021007
9234775335
10103031303
1153181a41
122a60871b
131846548b
14d97dbcb
1590a2bd8
hex6242207

103031303 has 4 divisors (see below), whose sum is σ = 104272728. Its totient is φ = 101789880.

The previous prime is 103031249. The next prime is 103031317. The reversal of 103031303 is 303130301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303130301 = 2910452769.

It is a cyclic number.

It is not a de Polignac number, because 103031303 - 26 = 103031239 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 (103031353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620588 + ... + 620753.

It is an arithmetic number, because the mean of its divisors is an integer number (26068182).

Almost surely, 2103031303 is an apocalyptic number.

103031303 is a deficient number, since it is larger than the sum of its proper divisors (1241425).

103031303 is an equidigital number, since it uses as much as digits as its factorization.

103031303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241424.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 103031303 is about 10150.4336360571. The cubic root of 103031303 is about 468.8022967904.

Adding to 103031303 its reverse (303130301), we get a palindrome (406161604).

The spelling of 103031303 in words is "one hundred three million, thirty-one thousand, three hundred three".

Divisors: 1 83 1241341 103031303