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122031321111323 = 1312043779458997
BaseRepresentation
bin11011101111110010100001…
…100010111101101100011011
3121000002002011120211012022122
4123233302201202331230123
5111443330121201030243
61111312225350011455
734463320616556461
oct3357624142755433
9530062146735278
10122031321111323
1135979213465568
121182a5a2646b8b
1353126729732c0
14221c4c15c2831
15e194ac21c668
hex6efca18bdb1b

122031321111323 has 8 divisors (see below), whose sum is σ = 131429258406768. Its totient is φ = 112634942757984.

The previous prime is 122031321111289. The next prime is 122031321111353. The reversal of 122031321111323 is 323111123130221.

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 122031321111323 - 210 = 122031321110299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122031321111292 and 122031321111301.

It is not an unprimeable number, because it can be changed into a prime (122031321111353) 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, 389572940 + ... + 389886057.

It is an arithmetic number, because the mean of its divisors is an integer number (16428657300846).

Almost surely, 2122031321111323 is an apocalyptic number.

122031321111323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122031321111323 is a deficient number, since it is larger than the sum of its proper divisors (9397937295445).

122031321111323 is a wasteful number, since it uses less digits than its factorization.

122031321111323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779471053.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 122031321111323 its reverse (323111123130221), we get a palindrome (445142444241544).

The spelling of 122031321111323 in words is "one hundred twenty-two trillion, thirty-one billion, three hundred twenty-one million, one hundred eleven thousand, three hundred twenty-three".

Divisors: 1 13 12043 156559 779458997 10132966961 9387024700871 122031321111323