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31425315351432 = 2333735388868639
BaseRepresentation
bin1110010010100110001101…
…10000100010101110001000
311010021020020020222122121120
413021103012300202232020
513104333021212221212
6150500331321435240
76422255416105452
oct711230660425610
9133236206878546
1031425315351432
11a016446294592
12363652a63bb20
13146c5189c39c2
147a8dc9b8b2d2
153976a064d88c
hex1c94c6c22b88

31425315351432 has 32 divisors (see below), whose sum is σ = 80686620499200. Its totient is φ = 10191994167744.

The previous prime is 31425315351413. The next prime is 31425315351439. The reversal of 31425315351432 is 23415351352413.

It is not an unprimeable number, because it can be changed into a prime (31425315351439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17694433432 + ... + 17694435207.

It is an arithmetic number, because the mean of its divisors is an integer number (2521456890600).

Almost surely, 231425315351432 is an apocalyptic number.

It is an amenable number.

31425315351432 is an abundant number, since it is smaller than the sum of its proper divisors (49261305147768).

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

31425315351432 is a wasteful number, since it uses less digits than its factorization.

31425315351432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35388868685 (or 35388868681 counting only the distinct ones).

The product of its digits is 648000, while the sum is 42.

The spelling of 31425315351432 in words is "thirty-one trillion, four hundred twenty-five billion, three hundred fifteen million, three hundred fifty-one thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 444 888 35388868639 70777737278 106166605917 141555474556 212333211834 283110949112 424666423668 849332847336 1309388139643 2618776279286 3928164418929 5237552558572 7856328837858 10475105117144 15712657675716 31425315351432