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231033330212222 = 21931233841731203
BaseRepresentation
bin110100100001111110100011…
…100101000001110101111110
31010022000120102000102110021002
4310201332203211001311332
5220240222230013242342
62135211125141210302
766443415203625326
oct6441764345016576
91108016360373232
10231033330212222
116768375997302a
1221ab3982a00992
139bbb470c8b815
14410a103c64286
151ba9a91777d32
hexd21fa3941d7e

231033330212222 has 32 divisors (see below), whose sum is σ = 378172995333120. Its totient is φ = 105452084986560.

The previous prime is 231033330212159. The next prime is 231033330212249. The reversal of 231033330212222 is 222212033330132.

It is a super-2 number, since 2×2310333302122222 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420591128 + ... + 421140075.

It is an arithmetic number, because the mean of its divisors is an integer number (11817906104160).

Almost surely, 2231033330212222 is an apocalyptic number.

231033330212222 is a deficient number, since it is larger than the sum of its proper divisors (147139665120898).

231033330212222 is a wasteful number, since it uses less digits than its factorization.

231033330212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841731488.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 231033330212222 its reverse (222212033330132), we get a palindrome (453245363542354).

The spelling of 231033330212222 in words is "two hundred thirty-one trillion, thirty-three billion, three hundred thirty million, two hundred twelve thousand, two hundred twenty-two".

Divisors: 1 2 19 31 38 62 233 466 589 1178 4427 7223 8854 14446 137237 274474 841731203 1683462406 15992892857 26093667293 31985785714 52187334586 196123370299 392246740598 495779678567 991559357134 3726344035681 6079824479269 7452688071362 12159648958538 115516665106111 231033330212222