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211031133103 = 789338733761
BaseRepresentation
bin1100010010001001101…
…1111000101110101111
3202011201010022022022201
43010202123320232233
511424142432224403
6240540225322331
721150356014630
oct3044233705657
9664633268281
10211031133103
118155263382a
1234a95a963a7
1316b9182747b
14a2dd177887
155751b1321d
hex31226f8baf

211031133103 has 8 divisors (see below), whose sum is σ = 243888308640. Its totient is φ = 178851425280.

The previous prime is 211031133101. The next prime is 211031133113. The reversal of 211031133103 is 301331130112.

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 211031133103 - 21 = 211031133101 is a prime.

It is a super-2 number, since 2×2110311331032 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211031133101) 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, 169366258 + ... + 169367503.

It is an arithmetic number, because the mean of its divisors is an integer number (30486038580).

Almost surely, 2211031133103 is an apocalyptic number.

211031133103 is a deficient number, since it is larger than the sum of its proper divisors (32857175537).

211031133103 is an equidigital number, since it uses as much as digits as its factorization.

211031133103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338733857.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 211031133103 its reverse (301331130112), we get a palindrome (512362263215).

The spelling of 211031133103 in words is "two hundred eleven billion, thirty-one million, one hundred thirty-three thousand, one hundred three".

Divisors: 1 7 89 623 338733761 2371136327 30147304729 211031133103