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312231343132213 = 9912354913379207
BaseRepresentation
bin100011011111110010000011…
…0010010111000111000110101
31111221112000200010221110112121
41012333210012102320320311
5311411044242320212323
63024021033204315541
7122523653515620601
oct10677440622707065
91457460603843477
10312231343132213
119053962938667a
122b0286390a2bb1
131052b39b83603b
14571611308c501
152616cc16dca5d
hex11bf9064b8e35

312231343132213 has 8 divisors (see below), whose sum is σ = 312559705612800. Its totient is φ = 311903007459120.

The previous prime is 312231343132207. The next prime is 312231343132237.

312231343132213 is nontrivially palindromic in base 10.

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 312231343132213 - 237 = 312093904178741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312231343138213) 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, 16647456 + ... + 30026662.

It is an arithmetic number, because the mean of its divisors is an integer number (39069963201600).

Almost surely, 2312231343132213 is an apocalyptic number.

It is an amenable number.

312231343132213 is a deficient number, since it is larger than the sum of its proper divisors (328362480587).

312231343132213 is a wasteful number, since it uses less digits than its factorization.

312231343132213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13403747.

The product of its digits is 46656, while the sum is 34.

The spelling of 312231343132213 in words is "three hundred twelve trillion, two hundred thirty-one billion, three hundred forty-three million, one hundred thirty-two thousand, two hundred thirteen".

Divisors: 1 991 23549 13379207 23337059 13258794137 315066945643 312231343132213