Search a number
-
+
30131332302 = 2371502114087
BaseRepresentation
bin11100000011111101…
…111010010011001110
32212202220102021102110
4130003331322103032
5443202110113202
621501523004450
72114453045601
oct340375722316
985686367373
1030131332302
1111862395a25
125a0ab09726
132ac2659116
14165ba74338
15bb541c26c
hex703f7a4ce

30131332302 has 32 divisors (see below), whose sum is σ = 61127944704. Its totient is φ = 9899640800.

The previous prime is 30131332289. The next prime is 30131332313. The reversal of 30131332302 is 20323313103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2131903 + ... + 2145989.

It is an arithmetic number, because the mean of its divisors is an integer number (1910248272).

Almost surely, 230131332302 is an apocalyptic number.

30131332302 is an abundant number, since it is smaller than the sum of its proper divisors (30996612402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30131332302 is a wasteful number, since it uses less digits than its factorization.

30131332302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19184.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30131332302 its reverse (20323313103), we get a palindrome (50454645405).

The spelling of 30131332302 in words is "thirty billion, one hundred thirty-one million, three hundred thirty-two thousand, three hundred two".

Divisors: 1 2 3 6 71 142 213 426 5021 10042 14087 15063 28174 30126 42261 84522 356491 712982 1000177 1069473 2000354 2138946 3000531 6001062 70730827 141461654 212192481 424384962 5021888717 10043777434 15065666151 30131332302