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312312132201 = 32947180142409
BaseRepresentation
bin1001000101101110100…
…00001111001001101001
31002212010120101010222110
410202313100033021221
520104103401212301
6355250232512533
731364246215446
oct4426720171151
91085116333873
10312312132201
111104a6069473
125064084b749
13235b284b434
141118a3b09cd
1581cd5380d6
hex48b740f269

312312132201 has 32 divisors (see below), whose sum is σ = 440195443200. Its totient is φ = 196637414400.

The previous prime is 312312132109. The next prime is 312312132269. The reversal of 312312132201 is 102231213213.

It is not a de Polignac number, because 312312132201 - 210 = 312312131177 is a prime.

It is a super-2 number, since 2×3123121322012 (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (312312122201) 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, 7343085 + ... + 7385493.

It is an arithmetic number, because the mean of its divisors is an integer number (13756107600).

Almost surely, 2312312132201 is an apocalyptic number.

It is an amenable number.

312312132201 is a deficient number, since it is larger than the sum of its proper divisors (127883310999).

312312132201 is a wasteful number, since it uses less digits than its factorization.

312312132201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44289.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 312312132201 its reverse (102231213213), we get a palindrome (414543345414).

The spelling of 312312132201 in words is "three hundred twelve billion, three hundred twelve million, one hundred thirty-two thousand, two hundred one".

Divisors: 1 3 29 47 87 141 1363 1801 4089 5403 42409 52229 84647 127227 156687 253941 1229861 1993223 2454763 3689583 5979669 7364289 57803467 76378609 173410401 229135827 2214979661 3589794623 6644938983 10769383869 104104044067 312312132201