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31441040342 = 2236171107781
BaseRepresentation
bin11101010010000010…
…000011001111010110
310000011011212100002122
4131102002003033112
51003342401242332
622235510335542
72162065301435
oct352202031726
9100134770078
1031441040342
1112374713a68
12611565a5b2
132c70ab2aaa
1417439a111c
15c403c8c12
hex7520833d6

31441040342 has 16 divisors (see below), whose sum is σ = 49291867872. Its totient is φ = 15012634560.

The previous prime is 31441040311. The next prime is 31441040347. The reversal of 31441040342 is 24304014413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31441040347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525509 + ... + 582272.

It is an arithmetic number, because the mean of its divisors is an integer number (3080741742).

Almost surely, 231441040342 is an apocalyptic number.

31441040342 is a deficient number, since it is larger than the sum of its proper divisors (17850827530).

31441040342 is a wasteful number, since it uses less digits than its factorization.

31441040342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108423.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 31441040342 its reverse (24304014413), we get a palindrome (55745054755).

The spelling of 31441040342 in words is "thirty-one billion, four hundred forty-one million, forty thousand, three hundred forty-two".

Divisors: 1 2 23 46 617 1234 14191 28382 1107781 2215562 25478963 50957926 683500877 1367001754 15720520171 31441040342