Search a number
-
+
130331032331 is a prime number
BaseRepresentation
bin111100101100001010…
…1011011101100001011
3110110101222211102121112
41321120111123230023
54113404221013311
6135512342200535
712262503332123
oct1713025335413
9413358742545
10130331032331
1150300519675
122131372314b
13c3a0649456
146445439c83
1535cbe5228b
hex1e5855bb0b

130331032331 has 2 divisors, whose sum is σ = 130331032332. Its totient is φ = 130331032330.

The previous prime is 130331032313. The next prime is 130331032333. The reversal of 130331032331 is 133230133031.

Together with previous prime (130331032313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130331032331 - 218 = 130330770187 is a prime.

It is a super-2 number, since 2×1303310323312 (a number of 23 digits) contains 22 as substring.

Together with 130331032333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 130331032297 and 130331032306.

It is not a weakly prime, because it can be changed into another prime (130331032333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65165516165 + 65165516166.

It is an arithmetic number, because the mean of its divisors is an integer number (65165516166).

Almost surely, 2130331032331 is an apocalyptic number.

130331032331 is a deficient number, since it is larger than the sum of its proper divisors (1).

130331032331 is an equidigital number, since it uses as much as digits as its factorization.

130331032331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 130331032331 its reverse (133230133031), we get a palindrome (263561165362).

The spelling of 130331032331 in words is "one hundred thirty billion, three hundred thirty-one million, thirty-two thousand, three hundred thirty-one".