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13022223331 = 135361833733
BaseRepresentation
bin11000010000010111…
…10101101111100011
31020121112121111010211
430020023311233203
5203132142121311
65552103234551
7640463033455
oct141013655743
936545544124
1013022223331
115582784147
122635148a57
1312c6b830c0
148b76b22d5
15513391821
hex3082f5be3

13022223331 has 32 divisors (see below), whose sum is σ = 14701684032. Its totient is φ = 11457538560.

The previous prime is 13022223317. The next prime is 13022223337. The reversal of 13022223331 is 13332222031.

It is not a de Polignac number, because 13022223331 - 25 = 13022223299 is a prime.

It is a super-2 number, since 2×130222233312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13022223337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3486541 + ... + 3490273.

It is an arithmetic number, because the mean of its divisors is an integer number (459427626).

Almost surely, 213022223331 is an apocalyptic number.

13022223331 is a deficient number, since it is larger than the sum of its proper divisors (1679460701).

13022223331 is a wasteful number, since it uses less digits than its factorization.

13022223331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13022223331 its reverse (13332222031), we get a palindrome (26354445362).

The spelling of 13022223331 in words is "thirteen billion, twenty-two million, two hundred twenty-three thousand, three hundred thirty-one".

Divisors: 1 13 53 61 83 689 793 1079 3233 3733 4399 5063 42029 48529 57187 65819 197849 227713 268339 309839 2572037 2960269 3488407 4027907 12068789 16421467 18900179 156894257 213479071 245702327 1001709487 13022223331