Search a number
-
+
30231341343 = 337159954187
BaseRepresentation
bin11100001001111011…
…011010100100011111
32220000212121021001000
4130021323122210133
5443403210410333
621515454321343
72120106106260
oct341173324437
986025537030
1030231341343
1111903893225
125a384b9253
132b0a2a3a78
14166b068967
15bbe0c4713
hex709eda91f

30231341343 has 16 divisors (see below), whose sum is σ = 51185340160. Its totient is φ = 17275052088.

The previous prime is 30231341321. The next prime is 30231341347. The reversal of 30231341343 is 34314313203.

30231341343 is a `hidden beast` number, since 3 + 0 + 2 + 313 + 4 + 1 + 343 = 666.

It is not a de Polignac number, because 30231341343 - 26 = 30231341279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231341347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79976905 + ... + 79977282.

It is an arithmetic number, because the mean of its divisors is an integer number (3199083760).

Almost surely, 230231341343 is an apocalyptic number.

30231341343 is a deficient number, since it is larger than the sum of its proper divisors (20953998817).

30231341343 is a wasteful number, since it uses less digits than its factorization.

30231341343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159954203 (or 159954197 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 30231341343 its reverse (34314313203), we get a palindrome (64545654546).

The spelling of 30231341343 in words is "thirty billion, two hundred thirty-one million, three hundred forty-one thousand, three hundred forty-three".

Divisors: 1 3 7 9 21 27 63 189 159954187 479862561 1119679309 1439587683 3359037927 4318763049 10077113781 30231341343