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311441033031420 = 22356820097610873
BaseRepresentation
bin100011011010000010000010…
…0001001000110111011111100
31111211201110202002001121100210
41012310010010021012323330
5311310122213424001140
63022214011352152420
7122412605062611555
oct10664040411067374
91454643662047323
10311441033031420
1190264444993646
122ab1b437998710
13104a19c0250646
1456c9b7da0732c
152601468e51d80
hex11b4104246efc

311441033031420 has 48 divisors (see below), whose sum is σ = 872036285692320. Its totient is φ = 83050809455616.

The previous prime is 311441033031347. The next prime is 311441033031431. The reversal of 311441033031420 is 24130330144113.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37115104 + ... + 44725976.

It is an arithmetic number, because the mean of its divisors is an integer number (18167422618590).

Almost surely, 2311441033031420 is an apocalyptic number.

311441033031420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

311441033031420 is an abundant number, since it is smaller than the sum of its proper divisors (560595252660900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311441033031420 is a wasteful number, since it uses less digits than its factorization.

311441033031420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8292894 (or 8292892 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 311441033031420 its reverse (24130330144113), we get a palindrome (335571363175533).

The spelling of 311441033031420 in words is "three hundred eleven trillion, four hundred forty-one billion, thirty-three million, thirty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 682009 1364018 2046027 2728036 3410045 4092054 6820090 7610873 8184108 10230135 13640180 15221746 20460270 22832619 30443492 38054365 40920540 45665238 76108730 91330476 114163095 152217460 228326190 456652380 5190683883857 10381367767714 15572051651571 20762735535428 25953419419285 31144103303142 51906838838570 62288206606284 77860258257855 103813677677140 155720516515710 311441033031420