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31201332010104 = 2334371425828857
BaseRepresentation
bin1110001100000101000000…
…10011111001110001111000
311002110211002110210222211010
413012002200103321301320
513042200311443310404
6150205405525233520
76400136044112514
oct706024023716170
9132424073728733
1031201332010104
119a3a457559043
1235bb03ab628a0
13145437198bac9
1479c21c769144
153919418c9189
hex1c60a04f9c78

31201332010104 has 64 divisors (see below), whose sum is σ = 80941549328640. Its totient is φ = 10015494693120.

The previous prime is 31201332010067. The next prime is 31201332010109. The reversal of 31201332010104 is 40101023310213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31201332010109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212841157 + ... + 212987700.

It is an arithmetic number, because the mean of its divisors is an integer number (1264711708260).

Almost surely, 231201332010104 is an apocalyptic number.

It is an amenable number.

31201332010104 is an abundant number, since it is smaller than the sum of its proper divisors (49740217318536).

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

31201332010104 is a wasteful number, since it uses less digits than its factorization.

31201332010104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425828980 (or 425828976 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31201332010104 its reverse (40101023310213), we get a palindrome (71302355320317).

The spelling of 31201332010104 in words is "thirty-one trillion, two hundred one billion, three hundred thirty-two million, ten thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 24 43 71 86 129 142 172 213 258 284 344 426 516 568 852 1032 1704 3053 6106 9159 12212 18318 24424 36636 73272 425828857 851657714 1277486571 1703315428 2554973142 3406630856 5109946284 10219892568 18310640851 30233848847 36621281702 54931922553 60467697694 73242563404 90701546541 109863845106 120935395388 146485126808 181403093082 219727690212 241870790776 362806186164 439455380424 725612372328 1300055500421 2600111000842 3900166501263 5200222001684 7800333002526 10400444003368 15600666005052 31201332010104