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121311120000331 = 433229873703573
BaseRepresentation
bin11011100101010011110010…
…001101110000010101001011
3120220112020012112101000220201
4123211103302031300111023
5111400030133210002311
61110001320440433031
734360303433253562
oct3345236215602513
9526466175330821
10121311120000331
1135720836736218
1211732aa8778777
13528c788275861
1421d56bd404bd9
15e058a99209c1
hex6e54f237054b

121311120000331 has 8 divisors (see below), whose sum is σ = 124170751936880. Its totient is φ = 118453235477472.

The previous prime is 121311120000281. The next prime is 121311120000487. The reversal of 121311120000331 is 133000021113121.

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 121311120000331 - 29 = 121311119999819 is a prime.

It is a super-2 number, since 2×1213111200003312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121311120000299 and 121311120000308.

It is not an unprimeable number, because it can be changed into a prime (121311120006331) 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, 436712940 + ... + 436990633.

It is an arithmetic number, because the mean of its divisors is an integer number (15521343992110).

Almost surely, 2121311120000331 is an apocalyptic number.

121311120000331 is a deficient number, since it is larger than the sum of its proper divisors (2859631936549).

121311120000331 is an equidigital number, since it uses as much as digits as its factorization.

121311120000331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873706845.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 121311120000331 its reverse (133000021113121), we get a palindrome (254311141113452).

The spelling of 121311120000331 in words is "one hundred twenty-one trillion, three hundred eleven billion, one hundred twenty million, three hundred thirty-one", and thus it is an aban number.

Divisors: 1 43 3229 138847 873703573 37569253639 2821188837217 121311120000331