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31332022331330 = 257263942902717
BaseRepresentation
bin1110001111111000011100…
…00011111010011111000010
311002221022102111201012010202
413013330032003322133002
513101320440204100310
6150345422104325202
76412443502400300
oct707741603723702
9132838374635122
1031332022331330
119a8a921866786
123620432a73802
13146379b894426
147a46997ad270
1539504014c3a5
hex1c7f0e0fa7c2

31332022331330 has 24 divisors (see below), whose sum is σ = 65605418188668. Its totient is φ = 10742407656288.

The previous prime is 31332022331327. The next prime is 31332022331381. The reversal of 31332022331330 is 3313322023313.

It can be written as a sum of positive squares in 2 ways, for example, as 29866738712209 + 1465283619121 = 5465047^2 + 1210489^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31332022331293 and 31332022331302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31971450869 + ... + 31971451848.

Almost surely, 231332022331330 is an apocalyptic number.

31332022331330 is an abundant number, since it is smaller than the sum of its proper divisors (34273395857338).

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

31332022331330 is a wasteful number, since it uses less digits than its factorization.

31332022331330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63942902738 (or 63942902731 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 31332022331330 its reverse (3313322023313), we get a palindrome (34645344354643).

The spelling of 31332022331330 in words is "thirty-one trillion, three hundred thirty-two billion, twenty-two million, three hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 63942902717 127885805434 319714513585 447600319019 639429027170 895200638038 2238001595095 3133202233133 4476003190190 6266404466266 15666011165665 31332022331330