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223112001031 = 1136607298841
BaseRepresentation
bin1100111111001010000…
…0101111011000000111
3210022220001120222121121
43033302200233120013
512123413133013111
6250255104254411
722055631501133
oct3176240573007
9708801528547
10223112001031
11866919a96a7
12372a7911407
131806866442a
14ab278063c3
155c0c509871
hex33f282f607

223112001031 has 8 divisors (see below), whose sum is σ = 225121264704. Its totient is φ = 221103348480.

The previous prime is 223112001019. The next prime is 223112001053. The reversal of 223112001031 is 130100211322.

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

It is a cyclic number.

It is not a de Polignac number, because 223112001031 - 219 = 223111476743 is a prime.

It is a super-3 number, since 3×2231120010313 (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 = 223112000996 and 223112001014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223112001061) 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, 597171 + ... + 896011.

It is an arithmetic number, because the mean of its divisors is an integer number (28140158088).

Almost surely, 2223112001031 is an apocalyptic number.

223112001031 is a deficient number, since it is larger than the sum of its proper divisors (2009263673).

223112001031 is a wasteful number, since it uses less digits than its factorization.

223112001031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305561.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 223112001031 its reverse (130100211322), we get a palindrome (353212212353).

The spelling of 223112001031 in words is "two hundred twenty-three billion, one hundred twelve million, one thousand, thirty-one".

Divisors: 1 113 6607 298841 746591 33769033 1974442487 223112001031