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13130344211 = 67631941497
BaseRepresentation
bin11000011101010000…
…10010011100010011
31020220002001121002212
430032220102130103
5203342332003321
610010524502335
7643245040625
oct141650223423
936802047085
1013130344211
115628811a46
1226653aa9ab
1313133ab05a
148c7bb8c15
1551caec55b
hex30ea12713

13130344211 has 4 divisors (see below), whose sum is σ = 13132292472. Its totient is φ = 13128395952.

The previous prime is 13130344151. The next prime is 13130344223. The reversal of 13130344211 is 11244303131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11244303131 = 59190581409.

It is a cyclic number.

It is not a de Polignac number, because 13130344211 - 26 = 13130344147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13130344291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963986 + ... + 977511.

It is an arithmetic number, because the mean of its divisors is an integer number (3283073118).

Almost surely, 213130344211 is an apocalyptic number.

13130344211 is a deficient number, since it is larger than the sum of its proper divisors (1948261).

13130344211 is an equidigital number, since it uses as much as digits as its factorization.

13130344211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948260.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13130344211 its reverse (11244303131), we get a palindrome (24374647342).

The spelling of 13130344211 in words is "thirteen billion, one hundred thirty million, three hundred forty-four thousand, two hundred eleven".

Divisors: 1 6763 1941497 13130344211