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310311103012 = 22249893104477
BaseRepresentation
bin1001000001111111111…
…10111010101000100100
31002122222010002022222021
410200333332322220210
520041004120244022
6354315511512524
731263540566221
oct4407776725044
91078863068867
10310311103012
1110a669589639
1250182688744
13233541037b1
141103a728948
158112a207c7
hex483ffbaa24

310311103012 has 12 divisors (see below), whose sum is σ = 543066336540. Its totient is φ = 155149292576.

The previous prime is 310311103009. The next prime is 310311103013. The reversal of 310311103012 is 210301113013.

It can be written as a sum of positive squares in 2 ways, for example, as 215689651776 + 94621451236 = 464424^2 + 307606^2 .

It is not an unprimeable number, because it can be changed into a prime (310311103013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1452283 + ... + 1652194.

It is an arithmetic number, because the mean of its divisors is an integer number (45255528045).

Almost surely, 2310311103012 is an apocalyptic number.

It is an amenable number.

310311103012 is a deficient number, since it is larger than the sum of its proper divisors (232755233528).

310311103012 is a wasteful number, since it uses less digits than its factorization.

310311103012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129470 (or 3129468 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 310311103012 its reverse (210301113013), we get a palindrome (520612216025).

The spelling of 310311103012 in words is "three hundred ten billion, three hundred eleven million, one hundred three thousand, twelve".

Divisors: 1 2 4 24989 49978 99956 3104477 6208954 12417908 77577775753 155155551506 310311103012