Search a number
-
+
130331101 is a prime number
BaseRepresentation
bin1111100010010…
…11000111011101
3100002020111122211
413301023013131
5231331043401
620533240421
73141540025
oct761130735
9302214584
10130331101
116762875a
1237793111
13210033c4
1413448a85
15b696951
hex7c4b1dd

130331101 has 2 divisors, whose sum is σ = 130331102. Its totient is φ = 130331100.

The previous prime is 130331093. The next prime is 130331111. The reversal of 130331101 is 101133031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68079001 + 62252100 = 8251^2 + 7890^2 .

It is a cyclic number.

It is not a de Polignac number, because 130331101 - 23 = 130331093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130331111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65165550 + 65165551.

It is an arithmetic number, because the mean of its divisors is an integer number (65165551).

Almost surely, 2130331101 is an apocalyptic number.

It is an amenable number.

130331101 is a deficient number, since it is larger than the sum of its proper divisors (1).

130331101 is an equidigital number, since it uses as much as digits as its factorization.

130331101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 130331101 is about 11416.2647569159. The cubic root of 130331101 is about 507.0094117792.

Adding to 130331101 its reverse (101133031), we get a palindrome (231464132).

The spelling of 130331101 in words is "one hundred thirty million, three hundred thirty-one thousand, one hundred one".