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130233102221 is a prime number
BaseRepresentation
bin111100101001001111…
…1110110111110001101
3110110011011120001202102
41321102133312332031
54113204133232341
6135454523204445
712260204050445
oct1712237667615
9413134501672
10130233102221
11502602112a2
12212a6976725
13c38627bb41
146436427125
1535c355ac9b
hex1e527f6f8d

130233102221 has 2 divisors, whose sum is σ = 130233102222. Its totient is φ = 130233102220.

The previous prime is 130233102173. The next prime is 130233102269. The reversal of 130233102221 is 122201332031.

It is a balanced prime because it is at equal distance from previous prime (130233102173) and next prime (130233102269).

It can be written as a sum of positive squares in only one way, i.e., 129376896100 + 856206121 = 359690^2 + 29261^2 .

It is an emirp because it is prime and its reverse (122201332031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130233102221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130233102193 and 130233102202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130233101221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65116551110 + 65116551111.

It is an arithmetic number, because the mean of its divisors is an integer number (65116551111).

Almost surely, 2130233102221 is an apocalyptic number.

It is an amenable number.

130233102221 is a deficient number, since it is larger than the sum of its proper divisors (1).

130233102221 is an equidigital number, since it uses as much as digits as its factorization.

130233102221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 130233102221 its reverse (122201332031), we get a palindrome (252434434252).

The spelling of 130233102221 in words is "one hundred thirty billion, two hundred thirty-three million, one hundred two thousand, two hundred twenty-one".