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31030443244 = 2259233564313
BaseRepresentation
bin11100111001100011…
…101111110011101100
32222002120020211202201
4130321203233303230
51002022243140434
622131042031244
72145651262363
oct347143576354
988076224681
1031030443244
1112183970319
126020048524
132c06a00c28
14170523c7da
15c19320614
hex7398efcec

31030443244 has 24 divisors (see below), whose sum is σ = 55460779920. Its totient is φ = 15186764544.

The previous prime is 31030443221. The next prime is 31030443293. The reversal of 31030443244 is 44234403013.

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, 227169 + ... + 337144.

It is an arithmetic number, because the mean of its divisors is an integer number (2310865830).

Almost surely, 231030443244 is an apocalyptic number.

It is an amenable number.

31030443244 is a deficient number, since it is larger than the sum of its proper divisors (24430336676).

31030443244 is a wasteful number, since it uses less digits than its factorization.

31030443244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564609 (or 564607 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 31030443244 its reverse (44234403013), we get a palindrome (75264846257).

The spelling of 31030443244 in words is "thirty-one billion, thirty million, four hundred forty-three thousand, two hundred forty-four".

Divisors: 1 2 4 59 118 233 236 466 932 13747 27494 54988 564313 1128626 2257252 33294467 66588934 131484929 133177868 262969858 525939716 7757610811 15515221622 31030443244