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13130221333 is a prime number
BaseRepresentation
bin11000011101001111…
…10100011100010101
31020220001211100112211
430032213310130111
5203342314040313
610010522113421
7643244016445
oct141647643425
936801740484
1013130221333
115628738699
12266534b871
131313367148
148c7b86125
1551cac5e3d
hex30e9f4715

13130221333 has 2 divisors, whose sum is σ = 13130221334. Its totient is φ = 13130221332.

The previous prime is 13130221249. The next prime is 13130221369. The reversal of 13130221333 is 33312203131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8257902129 + 4872319204 = 90873^2 + 69802^2 .

It is a cyclic number.

It is not a de Polignac number, because 13130221333 - 225 = 13096666901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13130221373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565110666 + 6565110667.

It is an arithmetic number, because the mean of its divisors is an integer number (6565110667).

Almost surely, 213130221333 is an apocalyptic number.

It is an amenable number.

13130221333 is a deficient number, since it is larger than the sum of its proper divisors (1).

13130221333 is an equidigital number, since it uses as much as digits as its factorization.

13130221333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13130221333 its reverse (33312203131), we get a palindrome (46442424464).

The spelling of 13130221333 in words is "thirteen billion, one hundred thirty million, two hundred twenty-one thousand, three hundred thirty-three".