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200111030031 = 3116063970607
BaseRepresentation
bin1011101001011110001…
…0111111111100001111
3201010112002012121001210
42322113202333330033
511234311410430111
6231532453505503
720312636455503
oct2722742777417
9633462177053
10200111030031
1177959506760
1232948942293
1315b41325313
149984b44303
1553130a70a6
hex2e978bff0f

200111030031 has 8 divisors (see below), whose sum is σ = 291070589184. Its totient is φ = 121279412120.

The previous prime is 200111029961. The next prime is 200111030039. The reversal of 200111030031 is 130030111002.

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 200111030031 - 210 = 200111029007 is a prime.

It is a super-2 number, since 2×2001110300312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200111029989 and 200111030016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200111030039) 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, 3031985271 + ... + 3031985336.

It is an arithmetic number, because the mean of its divisors is an integer number (36383823648).

Almost surely, 2200111030031 is an apocalyptic number.

200111030031 is a deficient number, since it is larger than the sum of its proper divisors (90959559153).

200111030031 is a wasteful number, since it uses less digits than its factorization.

200111030031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6063970621.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 200111030031 its reverse (130030111002), we get a palindrome (330141141033).

The spelling of 200111030031 in words is "two hundred billion, one hundred eleven million, thirty thousand, thirty-one".

Divisors: 1 3 11 33 6063970607 18191911821 66703676677 200111030031