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31033145014 = 231539444049
BaseRepresentation
bin11100111001101110…
…000011011010110110
32222002202100002220021
4130321232003122312
51002023441120024
622131215555354
72146013244304
oct347156033266
988082302807
1031033145014
1112185446193
126020b2bb5a
132c07438901
141705743274
15c196a5de4
hex739b836b6

31033145014 has 16 divisors (see below), whose sum is σ = 48957955200. Its totient is φ = 14732714880.

The previous prime is 31033144981. The next prime is 31033145029. The reversal of 31033145014 is 41054133013.

It is a self number, because there is not a number n which added to its sum of digits gives 31033145014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4718739 + ... + 4725310.

It is an arithmetic number, because the mean of its divisors is an integer number (3059872200).

Almost surely, 231033145014 is an apocalyptic number.

31033145014 is a deficient number, since it is larger than the sum of its proper divisors (17924810186).

31033145014 is a wasteful number, since it uses less digits than its factorization.

31033145014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9444135.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 31033145014 its reverse (41054133013), we get a palindrome (72087278027).

The spelling of 31033145014 in words is "thirty-one billion, thirty-three million, one hundred forty-five thousand, fourteen".

Divisors: 1 2 31 53 62 106 1643 3286 9444049 18888098 292765519 500534597 585531038 1001069194 15516572507 31033145014