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121123323231331 = 383345413695839
BaseRepresentation
bin11011100010100100111000…
…101001111011110001100011
3120212212021110122121201021211
4123202210320221323301203
5111333441031221400311
61105335141520130551
734340604602125531
oct3342447051736143
9525767418551254
10121123323231331
11356591273160a3
1211702617a66a57
135277b5a237035
1421ca585d25151
15e00a679b3821
hex6e2938a7bc63

121123323231331 has 8 divisors (see below), whose sum is σ = 121157765331840. Its totient is φ = 121088882620992.

The previous prime is 121123323231301. The next prime is 121123323231397. The reversal of 121123323231331 is 133132323321121.

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 121123323231331 - 211 = 121123323229283 is a prime.

It is a super-2 number, since 2×1211233232313312 (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 = 121123323231293 and 121123323231302.

It is not an unprimeable number, because it can be changed into a prime (121123323231301) 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, 173720110 + ... + 174415948.

It is an arithmetic number, because the mean of its divisors is an integer number (15144720666480).

Almost surely, 2121123323231331 is an apocalyptic number.

121123323231331 is a deficient number, since it is larger than the sum of its proper divisors (34442100509).

121123323231331 is an equidigital number, since it uses as much as digits as its factorization.

121123323231331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745085.

The product of its digits is 11664, while the sum is 31.

Adding to 121123323231331 its reverse (133132323321121), we get a palindrome (254255646552452).

The spelling of 121123323231331 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, three hundred twenty-three million, two hundred thirty-one thousand, three hundred thirty-one".

Divisors: 1 3833 45413 695839 174068029 2667150887 31600136507 121123323231331