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32112313121 = 722373938557
BaseRepresentation
bin11101111010000010…
…110000001100100001
310001212221222112020102
4131322002300030201
51011231223004441
622430250152145
72214526105100
oct357202601441
9101787875212
1032112313121
1112689622159
126282422655
133049ba4615
1417a8bbc037
15c7e2c469b
hex77a0b0321

32112313121 has 24 divisors (see below), whose sum is σ = 39033034560. Its totient is φ = 26291799072.

The previous prime is 32112313099. The next prime is 32112313151. The reversal of 32112313121 is 12131321123.

It is a happy number.

It is not a de Polignac number, because 32112313121 - 222 = 32108118817 is a prime.

It is a super-2 number, since 2×321123131212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32112313093 and 32112313102.

It is not an unprimeable number, because it can be changed into a prime (32112313151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 813575 + ... + 852131.

It is an arithmetic number, because the mean of its divisors is an integer number (1626376440).

Almost surely, 232112313121 is an apocalyptic number.

It is an amenable number.

32112313121 is a deficient number, since it is larger than the sum of its proper divisors (6920721439).

32112313121 is a wasteful number, since it uses less digits than its factorization.

32112313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39333 (or 39326 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

Adding to 32112313121 its reverse (12131321123), we get a palindrome (44243634244).

The spelling of 32112313121 in words is "thirty-two billion, one hundred twelve million, three hundred thirteen thousand, one hundred twenty-one".

Divisors: 1 7 23 49 161 739 1127 5173 16997 36211 38557 118979 269899 832853 886811 1889293 6207677 28493623 43453739 199455361 655353329 1396187527 4587473303 32112313121