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312340042311 = 31145720710831
BaseRepresentation
bin1001000101110001110…
…10101101001001000111
31002212012111220010110020
410202320322231021013
520104133022323221
6355253111030223
731365035361153
oct4427072551107
91085174803406
10312340042311
1111050a8a1780
125064a06b373
13235b85710ab
141118dd98063
1581d0becac6
hex48b8ead247

312340042311 has 16 divisors (see below), whose sum is σ = 455306930688. Its totient is φ = 188882769600.

The previous prime is 312340042309. The next prime is 312340042349. The reversal of 312340042311 is 113240043213.

It is a happy number.

It is not a de Polignac number, because 312340042311 - 21 = 312340042309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312340043311) by changing a digit.

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, 10340335 + ... + 10370496.

It is an arithmetic number, because the mean of its divisors is an integer number (28456683168).

Almost surely, 2312340042311 is an apocalyptic number.

312340042311 is a deficient number, since it is larger than the sum of its proper divisors (142966888377).

312340042311 is a wasteful number, since it uses less digits than its factorization.

312340042311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20711302.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 312340042311 its reverse (113240043213), we get a palindrome (425580085524).

The spelling of 312340042311 in words is "three hundred twelve billion, three hundred forty million, forty-two thousand, three hundred eleven".

Divisors: 1 3 11 33 457 1371 5027 15081 20710831 62132493 227819141 683457423 9464849767 28394549301 104113347437 312340042311