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13211230334 = 273801711287
BaseRepresentation
bin11000100110111001…
…10110000001111110
31021002201021001000012
430103130312001332
5204024033332314
610022534303222
7645246414341
oct142334660176
937081231005
1013211230334
11566a438985
1226884b7b12
13132708b873
148d4832458
15524c7893e
hex31373607e

13211230334 has 16 divisors (see below), whose sum is σ = 20092594848. Its totient is φ = 6513737472.

The previous prime is 13211230273. The next prime is 13211230387. The reversal of 13211230334 is 43303211231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164839 + ... + 1176125.

It is an arithmetic number, because the mean of its divisors is an integer number (1255787178).

Almost surely, 213211230334 is an apocalyptic number.

13211230334 is a deficient number, since it is larger than the sum of its proper divisors (6881364514).

13211230334 is a wasteful number, since it uses less digits than its factorization.

13211230334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19379.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13211230334 its reverse (43303211231), we get a palindrome (56514441565).

The spelling of 13211230334 in words is "thirteen billion, two hundred eleven million, two hundred thirty thousand, three hundred thirty-four".

Divisors: 1 2 73 146 8017 11287 16034 22574 585241 823951 1170482 1647902 90487879 180975758 6605615167 13211230334