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31442311814 = 2411572442311
BaseRepresentation
bin11101010010000110…
…111001101010000110
310000011021020221020012
4131102012321222012
51003343212434224
622235553510222
72162112145364
oct352206715206
9100137227205
1031442311814
1112375402271
126115b72372
132c71139744
141743c12634
15c4057a80e
hex7521b9a86

31442311814 has 16 divisors (see below), whose sum is σ = 48621547296. Its totient is φ = 15240014400.

The previous prime is 31442311783. The next prime is 31442311819. The reversal of 31442311814 is 41811324413.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31442311819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208282 + ... + 1234029.

It is an arithmetic number, because the mean of its divisors is an integer number (3038846706).

Almost surely, 231442311814 is an apocalyptic number.

31442311814 is a deficient number, since it is larger than the sum of its proper divisors (17179235482).

31442311814 is a wasteful number, since it uses less digits than its factorization.

31442311814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442511.

The product of its digits is 9216, while the sum is 32.

The spelling of 31442311814 in words is "thirty-one billion, four hundred forty-two million, three hundred eleven thousand, eight hundred fourteen".

Divisors: 1 2 41 82 157 314 6437 12874 2442311 4884622 100134751 200269502 383442827 766885654 15721155907 31442311814