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31143014102444 = 2212511762227783
BaseRepresentation
bin1110001010011000011000…
…10010101111010110101100
311002021020120012101022222012
413011030030102233112230
513040221343102234234
6150122523030140352
76363002631064226
oct705141422572654
9132236505338865
1031143014102444
119a17750622942
1235ab8844b16b8
13144ba0987b23a
14799489459416
1539017bb8e0ce
hex1c530c4af5ac

31143014102444 has 12 divisors (see below), whose sum is σ = 54500711149584. Its totient is φ = 15571382345424.

The previous prime is 31143014102423. The next prime is 31143014102461. The reversal of 31143014102444 is 44420141034113.

It is a self number, because there is not a number n which added to its sum of digits gives 31143014102444.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30613424 + ... + 31614359.

It is an arithmetic number, because the mean of its divisors is an integer number (4541725929132).

Almost surely, 231143014102444 is an apocalyptic number.

It is an amenable number.

31143014102444 is a deficient number, since it is larger than the sum of its proper divisors (23357697047140).

31143014102444 is a wasteful number, since it uses less digits than its factorization.

31143014102444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62352904 (or 62352902 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 31143014102444 its reverse (44420141034113), we get a palindrome (75563155136557).

The spelling of 31143014102444 in words is "thirty-one trillion, one hundred forty-three billion, fourteen million, one hundred two thousand, four hundred forty-four".

Divisors: 1 2 4 125117 250234 500468 62227783 124455566 248911132 7785753525611 15571507051222 31143014102444