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312310132201 = 1989184689611
BaseRepresentation
bin1001000101101110010…
…00100110110111101001
31002212010102121112111101
410202313020212313221
520104102343212301
6355250122001401
731364223215524
oct4426710466751
91085112545441
10312310132201
111104a4a22881
1250640046261
13235b22cacc2
141118a00dbbb
1581cd290701
hex48b7226de9

312310132201 has 8 divisors (see below), whose sum is σ = 332441301600. Its totient is φ = 292548342240.

The previous prime is 312310132181. The next prime is 312310132207. The reversal of 312310132201 is 102231013213.

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 312310132201 - 27 = 312310132073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312310132207) 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, 92343115 + ... + 92346496.

It is an arithmetic number, because the mean of its divisors is an integer number (41555162700).

Almost surely, 2312310132201 is an apocalyptic number.

It is an amenable number.

312310132201 is a deficient number, since it is larger than the sum of its proper divisors (20131169399).

312310132201 is a wasteful number, since it uses less digits than its factorization.

312310132201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184689719.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312310132201 its reverse (102231013213), we get a palindrome (414541145414).

The spelling of 312310132201 in words is "three hundred twelve billion, three hundred ten million, one hundred thirty-two thousand, two hundred one".

Divisors: 1 19 89 1691 184689611 3509102609 16437375379 312310132201