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312131144120014 = 2253396159105413
BaseRepresentation
bin100011011111000011011000…
…1111101111111011011001110
31111221011110001002211020212201
41012332012301331333123032
5311402424040343320024
63023503022411552114
7122513505504230602
oct10676066175773316
91457143032736781
10312131144120014
119050009068278a
122b01113475b63a
1310521ac0a26acb
145711329825502
1526143a9c91744
hex11be1b1f7f6ce

312131144120014 has 8 divisors (see below), whose sum is σ = 468215193572280. Its totient is φ = 156059412929256.

The previous prime is 312131144119999. The next prime is 312131144120057. The reversal of 312131144120014 is 410021441131213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3121311441200142 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3079502029 + ... + 3079603384.

It is an arithmetic number, because the mean of its divisors is an integer number (58526899196535).

Almost surely, 2312131144120014 is an apocalyptic number.

312131144120014 is a deficient number, since it is larger than the sum of its proper divisors (156084049452266).

312131144120014 is a wasteful number, since it uses less digits than its factorization.

312131144120014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6159130754.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 312131144120014 its reverse (410021441131213), we get a palindrome (722152585251227).

The spelling of 312131144120014 in words is "three hundred twelve trillion, one hundred thirty-one billion, one hundred forty-four million, one hundred twenty thousand, fourteen".

Divisors: 1 2 25339 50678 6159105413 12318210826 156065572060007 312131144120014