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211021232030331 = 3175236379018987
BaseRepresentation
bin101111111110110000110101…
…100100110100001001111011
31000200011102200111002122000120
4233332300311210310021323
5210124332440344432311
62024445452105104323
762306531564006202
oct5776606544641173
91020142614078016
10211021232030331
1161268669194968
121b8013b37880a3
1390992a83b8198
143a176a6d4c239
15195e22e72a706
hexbfec3593427b

211021232030331 has 16 divisors (see below), whose sum is σ = 297918020709504. Its totient is φ = 132402948637824.

The previous prime is 211021232030321. The next prime is 211021232030339. The reversal of 211021232030331 is 133030232120112.

It is not a de Polignac number, because 211021232030331 - 235 = 210986872291963 is a prime.

It is a super-2 number, since 2×2110212320303312 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211021232030339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36838981 + ... + 42180006.

It is an arithmetic number, because the mean of its divisors is an integer number (18619876294344).

Almost surely, 2211021232030331 is an apocalyptic number.

211021232030331 is a deficient number, since it is larger than the sum of its proper divisors (86896788679173).

211021232030331 is a wasteful number, since it uses less digits than its factorization.

211021232030331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79071370.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 211021232030331 its reverse (133030232120112), we get a palindrome (344051464150443).

The spelling of 211021232030331 in words is "two hundred eleven trillion, twenty-one billion, two hundred thirty-two million, thirty thousand, three hundred thirty-one".

Divisors: 1 3 17 51 52363 157089 890171 2670513 79018987 237056961 1343322779 4029968337 4137671216281 12413013648843 70340410676777 211021232030331