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122330021331 = 3743306144257
BaseRepresentation
bin111000111101101101…
…1111111110111010011
3102200202101111221212210
41301323123333313103
54001012441140311
6132110404523203
711560311011340
oct1617333776723
9380671457783
10122330021331
1147975120691
121b8600b0503
13b6c6b4110b
145cc698b7c7
1532ae8073a6
hex1c7b6ffdd3

122330021331 has 32 divisors (see below), whose sum is σ = 190809338368. Its totient is φ = 68253373440.

The previous prime is 122330021327. The next prime is 122330021339. The reversal of 122330021331 is 133120033221.

It is not a de Polignac number, because 122330021331 - 22 = 122330021327 is a prime.

It is a super-2 number, since 2×1223300213312 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122330021298 and 122330021307.

It is not an unprimeable number, because it can be changed into a prime (122330021339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2741955 + ... + 2786211.

It is an arithmetic number, because the mean of its divisors is an integer number (5962791824).

Almost surely, 2122330021331 is an apocalyptic number.

122330021331 is a deficient number, since it is larger than the sum of its proper divisors (68479317037).

122330021331 is a wasteful number, since it uses less digits than its factorization.

122330021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47371.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 122330021331 its reverse (133120033221), we get a palindrome (255450054552).

The spelling of 122330021331 in words is "one hundred twenty-two billion, three hundred thirty million, twenty-one thousand, three hundred thirty-one".

Divisors: 1 3 7 21 43 129 301 903 3061 9183 21427 44257 64281 131623 132771 309799 394869 921361 929397 1903051 2764083 5709153 13321357 39964071 135470677 406412031 948294739 2844884217 5825239111 17475717333 40776673777 122330021331