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123302131321 = 199766902947
BaseRepresentation
bin111001011010101100…
…0010011011001111001
3102210021010201021002111
41302311120103121321
54010010321200241
6132351052332321
711623353552265
oct1626530233171
9383233637074
10123302131321
1148323925276
121ba917740a1
13b820364825
145d79b190a5
153319d29c81
hex1cb5613679

123302131321 has 8 divisors (see below), whose sum is σ = 131129778080. Its totient is φ = 115608290688.

The previous prime is 123302131307. The next prime is 123302131331. The reversal of 123302131321 is 123131203321.

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 123302131321 - 25 = 123302131289 is a prime.

It is a super-2 number, since 2×1233021313212 (a number of 23 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 = 123302131292 and 123302131301.

It is not an unprimeable number, because it can be changed into a prime (123302131331) 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, 33449631 + ... + 33453316.

It is an arithmetic number, because the mean of its divisors is an integer number (16391222260).

Almost surely, 2123302131321 is an apocalyptic number.

It is an amenable number.

123302131321 is a deficient number, since it is larger than the sum of its proper divisors (7827646759).

123302131321 is an equidigital number, since it uses as much as digits as its factorization.

123302131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66903063.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123302131321 its reverse (123131203321), we get a palindrome (246433334642).

The spelling of 123302131321 in words is "one hundred twenty-three billion, three hundred two million, one hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 19 97 1843 66902947 1271155993 6489585859 123302131321