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1301302231 is a prime number
BaseRepresentation
bin100110110010000…
…0100101111010111
310100200122000001221
41031210010233113
510131113132411
6333043231211
744150613025
oct11544045727
93320560057
101301302231
11608607699
12303978507
131797a2928
14c4b7d715
157939b071
hex4d904bd7

1301302231 has 2 divisors, whose sum is σ = 1301302232. Its totient is φ = 1301302230.

The previous prime is 1301302217. The next prime is 1301302273. The reversal of 1301302231 is 1322031031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1301302231 - 221 = 1299205079 is a prime.

It is a super-2 number, since 2×13013022312 = 3386774992811154722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301302201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650651115 + 650651116.

It is an arithmetic number, because the mean of its divisors is an integer number (650651116).

Almost surely, 21301302231 is an apocalyptic number.

1301302231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301302231 is an equidigital number, since it uses as much as digits as its factorization.

1301302231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1301302231 is about 36073.5669292628. The cubic root of 1301302231 is about 1091.7571834067.

Adding to 1301302231 its reverse (1322031031), we get a palindrome (2623333262).

The spelling of 1301302231 in words is "one billion, three hundred one million, three hundred two thousand, two hundred thirty-one".