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1301334421 is a prime number
BaseRepresentation
bin100110110010000…
…1100100110010101
310100200200122020011
41031210030212111
510131120200141
6333044040221
744151105622
oct11544144625
93320618204
101301334421
116086298a2
12303993071
131797b448a
14c4b8b349
15793a5881
hex4d90c995

1301334421 has 2 divisors, whose sum is σ = 1301334422. Its totient is φ = 1301334420.

The previous prime is 1301334401. The next prime is 1301334439. The reversal of 1301334421 is 1244331031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1288092100 + 13242321 = 35890^2 + 3639^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301334421 - 29 = 1301333909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1301334392 and 1301334401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301334401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650667210 + 650667211.

It is an arithmetic number, because the mean of its divisors is an integer number (650667211).

Almost surely, 21301334421 is an apocalyptic number.

It is an amenable number.

1301334421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301334421 is an equidigital number, since it uses as much as digits as its factorization.

1301334421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1301334421 is about 36074.0130980738. The cubic root of 1301334421 is about 1091.7661855107.

Adding to 1301334421 its reverse (1244331031), we get a palindrome (2545665452).

The spelling of 1301334421 in words is "one billion, three hundred one million, three hundred thirty-four thousand, four hundred twenty-one".