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312402321231042 = 2379358197948279
BaseRepresentation
bin100011100001000001101010…
…1011000100100110011000010
31111222010100222220101211000110
41013002003111120210303002
5311421344423213343132
63024231351202332150
7122542215514522050
oct10702032530446302
91458110886354013
10312402321231042
11905a5098028989
122b0557b535a056
13105415492cc713
1457204d29b11d0
15261b47bd401cc
hex11c20d5624cc2

312402321231042 has 32 divisors (see below), whose sum is σ = 714063301401600. Its totient is φ = 89257699456848.

The previous prime is 312402321231031. The next prime is 312402321231059. The reversal of 312402321231042 is 240132123204213.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35330259 + ... + 43278537.

It is an arithmetic number, because the mean of its divisors is an integer number (22314478168800).

Almost surely, 2312402321231042 is an apocalyptic number.

312402321231042 is an abundant number, since it is smaller than the sum of its proper divisors (401660980170558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312402321231042 is a wasteful number, since it uses less digits than its factorization.

312402321231042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8884110.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 312402321231042 its reverse (240132123204213), we get a palindrome (552534444435255).

The spelling of 312402321231042 in words is "three hundred twelve trillion, four hundred two billion, three hundred twenty-one million, two hundred thirty-one thousand, forty-two".

Divisors: 1 2 3 6 7 14 21 42 935819 1871638 2807457 5614914 6550733 7948279 13101466 15896558 19652199 23844837 39304398 47689674 55637953 111275906 166913859 333827718 7438150505501 14876301011002 22314451516503 44628903033006 52067053538507 104134107077014 156201160615521 312402321231042