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10231122131 = 231572833321
BaseRepresentation
bin10011000011101001…
…01000100011010011
3222102000122212002022
421201310220203103
5131423131402011
64411120242055
7511352050256
oct114164504323
928360585068
1010231122131
11438022453a
121b9647032b
13c70850429
146d0b2709d
153ed3138db
hex261d288d3

10231122131 has 8 divisors (see below), whose sum is σ = 10743957024. Its totient is φ = 9723954240.

The previous prime is 10231122119. The next prime is 10231122133. The reversal of 10231122131 is 13122113201.

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 10231122131 - 226 = 10164013267 is a prime.

It is a super-2 number, since 2×102311221312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10231122133) 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, 1413050 + ... + 1420271.

It is an arithmetic number, because the mean of its divisors is an integer number (1342994628).

Almost surely, 210231122131 is an apocalyptic number.

10231122131 is a deficient number, since it is larger than the sum of its proper divisors (512834893).

10231122131 is a wasteful number, since it uses less digits than its factorization.

10231122131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833501.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10231122131 its reverse (13122113201), we get a palindrome (23353235332).

The spelling of 10231122131 in words is "ten billion, two hundred thirty-one million, one hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 23 157 3611 2833321 65166383 444831397 10231122131