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212312032301331 = 342621136201251
BaseRepresentation
bin110000010001100010111111…
…010001000101000100010011
31000211201211110120112102120000
4300101202333101011010103
5210312010020232120311
62031314445014421043
762502016040201334
oct6021427721050423
91024654416472500
10212312032301331
11617160332a8536
121b98b5b2061783
139160c285414a1
143a5dd5877028b
151982acab70056
hexc118bf445113

212312032301331 has 10 divisors (see below), whose sum is σ = 317157480351492. Its totient is φ = 141541354867500.

The previous prime is 212312032301287. The next prime is 212312032301353. The reversal of 212312032301331 is 133103230213212.

212312032301331 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 1 + 2 + 0 + 323 + 0 + 1 + 331 = 666.

It is not a de Polignac number, because 212312032301331 - 231 = 212309884817683 is a prime.

It is a super-2 number, since 2×2123120323013312 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 212312032301295 and 212312032301304.

It is not an unprimeable number, because it can be changed into a prime (212312032301731) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1310568100545 + ... + 1310568100706.

Almost surely, 2212312032301331 is an apocalyptic number.

212312032301331 is a deficient number, since it is larger than the sum of its proper divisors (104845448050161).

212312032301331 is an equidigital number, since it uses as much as digits as its factorization.

212312032301331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621136201263 (or 2621136201254 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 212312032301331 its reverse (133103230213212), we get a palindrome (345415262514543).

The spelling of 212312032301331 in words is "two hundred twelve trillion, three hundred twelve billion, thirty-two million, three hundred one thousand, three hundred thirty-one".

Divisors: 1 3 9 27 81 2621136201251 7863408603753 23590225811259 70770677433777 212312032301331