Search a number
-
+
130331302 = 265165651
BaseRepresentation
bin1111100010010…
…11001010100110
3100002020111221021
413301023022212
5231331100202
620533241354
73141540433
oct761131246
9302214837
10130331302
1167628922
123779325a
132100351a
1413448b8a
15b696a37
hex7c4b2a6

130331302 has 4 divisors (see below), whose sum is σ = 195496956. Its totient is φ = 65165650.

The previous prime is 130331291. The next prime is 130331303. The reversal of 130331302 is 203133031.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130331303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32582824 + ... + 32582827.

It is an arithmetic number, because the mean of its divisors is an integer number (48874239).

Almost surely, 2130331302 is an apocalyptic number.

130331302 is a deficient number, since it is larger than the sum of its proper divisors (65165654).

130331302 is an equidigital number, since it uses as much as digits as its factorization.

130331302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65165653.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 130331302 is about 11416.2735601421. The cubic root of 130331302 is about 507.0096724200.

Adding to 130331302 its reverse (203133031), we get a palindrome (333464333).

The spelling of 130331302 in words is "one hundred thirty million, three hundred thirty-one thousand, three hundred two".

Divisors: 1 2 65165651 130331302