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312201103110101 = 2313573961004787
BaseRepresentation
bin100011011111100011111101…
…1110110010110111111010101
31111221102010121200000011201122
41012333013323312112333111
5311410100324344010401
63023555112355533325
7122521533242645042
oct10677077366267725
91457363550004648
10312201103110101
1190527820704467
122b0227b98ba245
131052858c81302a
145714884c041c9
1526161019a121b
hex11bf1fbd96fd5

312201103110101 has 4 divisors (see below), whose sum is σ = 325775064114912. Its totient is φ = 298627142105292.

The previous prime is 312201103110079. The next prime is 312201103110157. The reversal of 312201103110101 is 101011301102213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-312201103110101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312201103110101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312201103110601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6786980502371 + ... + 6786980502416.

It is an arithmetic number, because the mean of its divisors is an integer number (81443766028728).

Almost surely, 2312201103110101 is an apocalyptic number.

It is an amenable number.

312201103110101 is a deficient number, since it is larger than the sum of its proper divisors (13573961004811).

312201103110101 is a wasteful number, since it uses less digits than its factorization.

312201103110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13573961004810.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 312201103110101 its reverse (101011301102213), we get a palindrome (413212404212314).

The spelling of 312201103110101 in words is "three hundred twelve trillion, two hundred one billion, one hundred three million, one hundred ten thousand, one hundred one".

Divisors: 1 23 13573961004787 312201103110101