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31234315152125 = 53793179977819
BaseRepresentation
bin1110001101000010011100…
…10000100110101011111101
311002120222020010102012201202
413012201032100212223331
513043220334134332000
6150232502444345245
76402414306152441
oct706411620465375
9132528203365652
1031234315152125
119a524426988a8
123605504b45225
1314574ca0b51a7
1479da6b06c821
15392722366dd5
hex1c684e426afd

31234315152125 has 32 divisors (see below), whose sum is σ = 39598375564800. Its totient is φ = 24593325806400.

The previous prime is 31234315152097. The next prime is 31234315152133. The reversal of 31234315152125 is 52125151343213.

It is not a de Polignac number, because 31234315152125 - 220 = 31234314103549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1858535 + ... + 8119284.

It is an arithmetic number, because the mean of its divisors is an integer number (1237449236400).

Almost surely, 231234315152125 is an apocalyptic number.

It is an amenable number.

31234315152125 is a deficient number, since it is larger than the sum of its proper divisors (8364060412675).

31234315152125 is an equidigital number, since it uses as much as digits as its factorization.

31234315152125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9978230 (or 9978220 counting only the distinct ones).

The product of its digits is 108000, while the sum is 38.

Adding to 31234315152125 its reverse (52125151343213), we get a palindrome (83359466495338).

The spelling of 31234315152125 in words is "thirty-one trillion, two hundred thirty-four billion, three hundred fifteen million, one hundred fifty-two thousand, one hundred twenty-five".

Divisors: 1 5 25 79 125 317 395 1585 1975 7925 9875 25043 39625 125215 626075 3130375 9977819 49889095 249445475 788247701 1247227375 3162968623 3941238505 15814843115 19706192525 79074215575 98530962625 249874521217 395371077875 1249372606085 6246863030425 31234315152125