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312423440031211 = 3677793109237781
BaseRepresentation
bin100011100001001011100000…
…0001010011001110111101011
31111222012101111201011000120111
41013002113000022121313223
5311422221201121444321
63024245202535435151
7122543564043413035
oct10702270012316753
91458171451130514
10312423440031211
1190603045043043
122b059909b25ab7
131054353370b292
1457215376cac55
15261bcb5e075e1
hex11c25c0299deb

312423440031211 has 8 divisors (see below), whose sum is σ = 313314932430144. Its totient is φ = 311532166124160.

The previous prime is 312423440031203. The next prime is 312423440031239. The reversal of 312423440031211 is 112130044324213.

It is a happy number.

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 312423440031211 - 23 = 312423440031203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312423440031811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51758860 + ... + 57478921.

It is an arithmetic number, because the mean of its divisors is an integer number (39164366553768).

Almost surely, 2312423440031211 is an apocalyptic number.

312423440031211 is a deficient number, since it is larger than the sum of its proper divisors (891492398933).

312423440031211 is a wasteful number, since it uses less digits than its factorization.

312423440031211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109245941.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 312423440031211 its reverse (112130044324213), we get a palindrome (424553484355424).

The spelling of 312423440031211 in words is "three hundred twelve trillion, four hundred twenty-three billion, four hundred forty million, thirty-one thousand, two hundred eleven".

Divisors: 1 367 7793 2860031 109237781 40090265627 851290027333 312423440031211