Search a number
-
+
300231331231 = 131713063103997
BaseRepresentation
bin1000101111001110010…
…11101000110110011111
31001200221122012212112111
410113213023220312133
514404333210044411
6345531355214451
730456004131406
oct4274713506637
91050848185474
10300231331231
11106366839937
124a22aa47427
1322408a35ab0
1410761b5c63d
157c22b56721
hex45e72e8d9f

300231331231 has 16 divisors (see below), whose sum is σ = 342374727744. Its totient is φ = 260811984384.

The previous prime is 300231331201. The next prime is 300231331241. The reversal of 300231331231 is 132133132003.

It is a cyclic number.

It is not a de Polignac number, because 300231331231 - 211 = 300231329183 is a prime.

It is a super-2 number, since 2×3002313312312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300231331201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2834925 + ... + 2938921.

It is an arithmetic number, because the mean of its divisors is an integer number (21398420484).

Almost surely, 2300231331231 is an apocalyptic number.

300231331231 is a deficient number, since it is larger than the sum of its proper divisors (42143396513).

300231331231 is a wasteful number, since it uses less digits than its factorization.

300231331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117090.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 300231331231 its reverse (132133132003), we get a palindrome (432364463234).

The spelling of 300231331231 in words is "three hundred billion, two hundred thirty-one million, three hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 13 17 221 13063 103997 169819 222071 1351961 1767949 2886923 22983337 1358512811 17660666543 23094717787 300231331231