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312432220113143 = 1383289557201217
BaseRepresentation
bin100011100001001111100101…
…1011111110000100011110111
31111222020020011121102101201012
41013002133023133300203313
5311422342141322110033
63024253214103222435
7122544324446031404
oct10702371337604367
91458206147371635
10312432220113143
11906068401875a9
122b05b55a447a1b
131054430274c230
145721b2b8172ab
15261c12bb43248
hex11c27cb7f08f7

312432220113143 has 8 divisors (see below), whose sum is σ = 340519268632368. Its totient is φ = 284924285996544.

The previous prime is 312432220113047. The next prime is 312432220113227. The reversal of 312432220113143 is 341311022234213.

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 312432220113143 - 212 = 312432220109047 is a prime.

It is a super-2 number, since 2×3124322201131432 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312432220116143) 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, 144778599530 + ... + 144778601687.

It is an arithmetic number, because the mean of its divisors is an integer number (42564908579046).

Almost surely, 2312432220113143 is an apocalyptic number.

312432220113143 is a deficient number, since it is larger than the sum of its proper divisors (28087048519225).

312432220113143 is a wasteful number, since it uses less digits than its factorization.

312432220113143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289557201313.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 312432220113143 its reverse (341311022234213), we get a palindrome (653743242347356).

The spelling of 312432220113143 in words is "three hundred twelve trillion, four hundred thirty-two billion, two hundred twenty million, one hundred thirteen thousand, one hundred forty-three".

Divisors: 1 13 83 1079 289557201217 3764243615821 24033247701011 312432220113143