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121320320222031 = 375777158105811
BaseRepresentation
bin11011100101011100010110…
…100101110100001101001111
3120220120002221201012201110120
4123211130112211310031033
5111400203003434101111
61110005441413240023
734361050426664430
oct3345342645641517
9526502851181416
10121320320222031
1135724727a50a27
1211734835933013
1352905c335a018
1421d5d13259487
15e05c4749c406
hex6e571697434f

121320320222031 has 8 divisors (see below), whose sum is σ = 184869059385984. Its totient is φ = 69325897269720.

The previous prime is 121320320222011. The next prime is 121320320222033. The reversal of 121320320222031 is 130222023023121.

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

It is not a de Polignac number, because 121320320222031 - 25 = 121320320221999 is a prime.

It is a super-2 number, since 2×1213203202220312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121320320221992 and 121320320222010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320320222033) 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, 2888579052885 + ... + 2888579052926.

It is an arithmetic number, because the mean of its divisors is an integer number (23108632423248).

Almost surely, 2121320320222031 is an apocalyptic number.

121320320222031 is a deficient number, since it is larger than the sum of its proper divisors (63548739163953).

121320320222031 is an equidigital number, since it uses as much as digits as its factorization.

121320320222031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777158105821.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 121320320222031 its reverse (130222023023121), we get a palindrome (251542343245152).

The spelling of 121320320222031 in words is "one hundred twenty-one trillion, three hundred twenty billion, three hundred twenty million, two hundred twenty-two thousand, thirty-one".

Divisors: 1 3 7 21 5777158105811 17331474317433 40440106740677 121320320222031