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31342543534120 = 23571324116154951
BaseRepresentation
bin1110010000001100000010…
…01011000111100000101000
311002222022120202012200002011
413020012001023013200220
513102004012121042440
6150354322110245304
76413265306215020
oct710060113074050
9132868522180064
1031342543534120
119a943307aa0a5
12362248a4b6834
13146478754b700
147a4db6c46a80
15395458b609ea
hex1c81812c7828

31342543534120 has 192 divisors, whose sum is σ = 89400211971840. Its totient is φ = 9677461248000.

The previous prime is 31342543534111. The next prime is 31342543534177. The reversal of 31342543534120 is 2143534524313.

31342543534120 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6137356 + ... + 10017595.

It is an arithmetic number, because the mean of its divisors is an integer number (465626104020).

Almost surely, 231342543534120 is an apocalyptic number.

It is an amenable number.

31342543534120 is an abundant number, since it is smaller than the sum of its proper divisors (58057668437720).

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

31342543534120 is a wasteful number, since it uses less digits than its factorization.

31342543534120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16155036 (or 16155019 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 31342543534120 in words is "thirty-one trillion, three hundred forty-two billion, five hundred forty-three million, five hundred thirty-four thousand, one hundred twenty".