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31232032221132 = 2233436725243803
BaseRepresentation
bin1110001100111110001100…
…01011111010011111001100
311002120202100000200022011000
413012133012023322133030
513043201200222034012
6150231444133300300
76402303605442111
oct706370613723714
9132522300608130
1031232032221132
119a51480a75a76
123604b88494690
131457225138352
1479d8d1ba4908
1539263bc17ddc
hex1c67c62fa7cc

31232032221132 has 48 divisors (see below), whose sum is σ = 82855003665280. Its totient is φ = 10168568628624.

The previous prime is 31232032221097. The next prime is 31232032221149. The reversal of 31232032221132 is 23112223023213.

31232032221132 is a `hidden beast` number, since 3 + 1 + 2 + 320 + 3 + 222 + 113 + 2 = 666.

It is a super-2 number, since 2×312320322211322 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 31232032221096 and 31232032221105.

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, 3362617258 + ... + 3362626545.

Almost surely, 231232032221132 is an apocalyptic number.

It is an amenable number.

31232032221132 is an abundant number, since it is smaller than the sum of its proper divisors (51622971444148).

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

31232032221132 is a wasteful number, since it uses less digits than its factorization.

31232032221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6725243859 (or 6725243851 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 31232032221132 its reverse (23112223023213), we get a palindrome (54344255244345).

The spelling of 31232032221132 in words is "thirty-one trillion, two hundred thirty-two billion, thirty-two million, two hundred twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 43 54 86 108 129 172 258 387 516 774 1161 1548 2322 4644 6725243803 13450487606 20175731409 26900975212 40351462818 60527194227 80702925636 121054388454 181581582681 242108776908 289185483529 363163165362 578370967058 726326330724 867556450587 1156741934116 1735112901174 2602669351761 3470225802348 5205338703522 7808008055283 10410677407044 15616016110566 31232032221132