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223112331031 = 4717519270967
BaseRepresentation
bin1100111111001010000…
…1111111111100010111
3210022220002012202021211
43033302201333330113
512123413224043111
6250255115322251
722055634344212
oct3176241777427
9708802182254
10223112331031
1186692104627
12372a7a50387
131806874b6b5
14ab27890779
155c0c572521
hex33f287ff17

223112331031 has 8 divisors (see below), whose sum is σ = 227873249280. Its totient is φ = 218351989848.

The previous prime is 223112331007. The next prime is 223112331049. The reversal of 223112331031 is 130133211322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-223112331031 is a prime.

It is a super-3 number, since 3×2231123310313 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223112330993 and 223112331011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223112331931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687910 + ... + 958876.

It is an arithmetic number, because the mean of its divisors is an integer number (28484156160).

Almost surely, 2223112331031 is an apocalyptic number.

223112331031 is a deficient number, since it is larger than the sum of its proper divisors (4760918249).

223112331031 is a wasteful number, since it uses less digits than its factorization.

223112331031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288533.

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

Adding to 223112331031 its reverse (130133211322), we get a palindrome (353245542353).

The spelling of 223112331031 in words is "two hundred twenty-three billion, one hundred twelve million, three hundred thirty-one thousand, thirty-one".

Divisors: 1 47 17519 270967 823393 12735449 4747070873 223112331031