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131222332021331 = 3115726961646193
BaseRepresentation
bin11101110101100010010100…
…011111001001101001010011
3122012121201202221100121212102
4131311202110133021221103
5114144421313444140311
61143030412423151015
736432333500360435
oct3565422437115123
9565551687317772
10131222332021331
11388a20955154a1
12128739255a546b
13582b29c7219a5
1424592a25b4655
1510285d9ae943b
hex7758947c9a53

131222332021331 has 8 divisors (see below), whose sum is σ = 136318083156864. Its totient is φ = 126180504178560.

The previous prime is 131222332021241. The next prime is 131222332021337. The reversal of 131222332021331 is 133120233222131.

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 131222332021331 - 238 = 130947454114387 is a prime.

It is a super-2 number, since 2×1312223320213312 (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 = 131222332021294 and 131222332021303.

It is not an unprimeable number, because it can be changed into a prime (131222332021337) 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, 13480818230 + ... + 13480827963.

It is an arithmetic number, because the mean of its divisors is an integer number (17039760394608).

Almost surely, 2131222332021331 is an apocalyptic number.

131222332021331 is a deficient number, since it is larger than the sum of its proper divisors (5095751135533).

131222332021331 is a wasteful number, since it uses less digits than its factorization.

131222332021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26961646381.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 131222332021331 its reverse (133120233222131), we get a palindrome (264342565243462).

The spelling of 131222332021331 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, three hundred thirty-two million, twenty-one thousand, three hundred thirty-one".

Divisors: 1 31 157 4867 26961646193 835811031983 4232978452301 131222332021331