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123101033231231 = 1141926708837759
BaseRepresentation
bin11011111111010110110001…
…010110110111001101111111
3121010212100021122220020102122
4123333112301112313031333
5112113341404001344411
61113451500045113155
734633520234554556
oct3377266126671577
9533770248806378
10123101033231231
11362509450269a0
121198197ab587bb
13538c4ba840123
14225819c304d9d
15e37218b7b9db
hex6ff5b15b737f

123101033231231 has 8 divisors (see below), whose sum is σ = 134612542310400. Its totient is φ = 111642941828440.

The previous prime is 123101033231219. The next prime is 123101033231237. The reversal of 123101033231231 is 132132330101321.

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

It is not a de Polignac number, because 123101033231231 - 238 = 122826155324287 is a prime.

It is a super-2 number, since 2×1231010332312312 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123101033231231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123101033231237) 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, 13354414271 + ... + 13354423488.

It is an arithmetic number, because the mean of its divisors is an integer number (16826567788800).

Almost surely, 2123101033231231 is an apocalyptic number.

123101033231231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123101033231231 is a deficient number, since it is larger than the sum of its proper divisors (11511509079169).

123101033231231 is a wasteful number, since it uses less digits than its factorization.

123101033231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26708838189.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 123101033231231 its reverse (132132330101321), we get a palindrome (255233363332552).

The spelling of 123101033231231 in words is "one hundred twenty-three trillion, one hundred one billion, thirty-three million, two hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 11 419 4609 26708837759 293797215349 11191003021021 123101033231231