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31424401433425 = 52711131255720337
BaseRepresentation
bin1110010010100100100000…
…10010001110001101010001
311010021010212120021210210111
413021102100102032031101
513104324133231332200
6150500100513201321
76422223650661460
oct711222022161521
9133233776253714
1031424401433425
11a016017416450
123636314560241
13146c401566310
147a8d4064a9d7
1539764a2c30ba
hex1c949048e351

31424401433425 has 48 divisors (see below), whose sum is σ = 52318332162432. Its totient is φ = 18082372838400.

The previous prime is 31424401433401. The next prime is 31424401433431. The reversal of 31424401433425 is 52433410442413.

It is not a de Polignac number, because 31424401433425 - 27 = 31424401433297 is a prime.

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, 627835144 + ... + 627885193.

It is an arithmetic number, because the mean of its divisors is an integer number (1089965253384).

Almost surely, 231424401433425 is an apocalyptic number.

31424401433425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31424401433425 is a deficient number, since it is larger than the sum of its proper divisors (20893930729007).

31424401433425 is a wasteful number, since it uses less digits than its factorization.

31424401433425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255720378 (or 1255720373 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 40.

Adding to 31424401433425 its reverse (52433410442413), we get a palindrome (83857811875838).

The spelling of 31424401433425 in words is "thirty-one trillion, four hundred twenty-four billion, four hundred one million, four hundred thirty-three thousand, four hundred twenty-five".

Divisors: 1 5 7 11 13 25 35 55 65 77 91 143 175 275 325 385 455 715 1001 1925 2275 3575 5005 25025 1255720337 6278601685 8790042359 13812923707 16324364381 31393008425 43950211795 69064618535 81621821905 96690465949 114270550667 179568008191 219751058975 345323092675 408109109525 483452329745 571352753335 897840040955 1256976057337 2417261648725 2856763766675 4489200204775 6284880286685 31424401433425