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311431003341042 = 23132307131167003
BaseRepresentation
bin100011011001111101010111…
…0010100111000000011110010
31111211200111212002102112200210
41012303322232110320003302
5311304441143323403132
63022205232225124550
7122412101404631004
oct10663725624700362
91454614762375623
10311431003341042
119026016843a832
122ab194b8a89756
13104a0a82369100
1456c94ab956374
15260107d67bbcc
hex11b3eae5380f2

311431003341042 has 24 divisors (see below), whose sum is σ = 674460042740784. Its totient is φ = 95824924104624.

The previous prime is 311431003341023. The next prime is 311431003341083. The reversal of 311431003341042 is 240143300134113.

It is a super-2 number, since 2×3114310033410422 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153565582488 + ... + 153565584515.

It is an arithmetic number, because the mean of its divisors is an integer number (28102501780866).

Almost surely, 2311431003341042 is an apocalyptic number.

311431003341042 is an abundant number, since it is smaller than the sum of its proper divisors (363029039399742).

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

311431003341042 is a wasteful number, since it uses less digits than its factorization.

311431003341042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307131167034 (or 307131167021 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 311431003341042 its reverse (240143300134113), we get a palindrome (551574303475155).

The spelling of 311431003341042 in words is "three hundred eleven trillion, four hundred thirty-one billion, three million, three hundred forty-one thousand, forty-two".

Divisors: 1 2 3 6 13 26 39 78 169 338 507 1014 307131167003 614262334006 921393501009 1842787002018 3992705171039 7985410342078 11978115513117 23956231026234 51905167223507 103810334447014 155715501670521 311431003341042