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13220031330211 = 88115005710931
BaseRepresentation
bin1100000001100000011101…
…0001010111011110100011
31201210211012201021012222211
43000120013101113132203
53213044111010031321
644041110515342551
72533054462141126
oct300300721273643
951724181235884
1013220031330211
114237647049852
1215961698b1a57
1374b84a0017b4
14339bd26263bd
1517dd3b4b50e1
hexc06074577a3

13220031330211 has 4 divisors (see below), whose sum is σ = 13235037042024. Its totient is φ = 13205025618400.

The previous prime is 13220031330167. The next prime is 13220031330271. The reversal of 13220031330211 is 11203313002231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13220031330211 - 213 = 13220031322019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13220031330271) 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, 7502854585 + ... + 7502856346.

It is an arithmetic number, because the mean of its divisors is an integer number (3308759260506).

Almost surely, 213220031330211 is an apocalyptic number.

13220031330211 is a deficient number, since it is larger than the sum of its proper divisors (15005711813).

13220031330211 is an equidigital number, since it uses as much as digits as its factorization.

13220031330211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15005711812.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13220031330211 its reverse (11203313002231), we get a palindrome (24423344332442).

The spelling of 13220031330211 in words is "thirteen trillion, two hundred twenty billion, thirty-one million, three hundred thirty thousand, two hundred eleven".

Divisors: 1 881 15005710931 13220031330211