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31324556040415 = 51110352310572637
BaseRepresentation
bin1110001111101010100010…
…00010010001100011011111
311002220121011011120022110121
413013311101002101203133
513101210142321243130
6150342145152015411
76412060462101301
oct707652102214337
9132817134508417
1031324556040415
119a87740289920
12361aaaa531567
131462b7baa9701
147a418bd53971
15394c54927d7a
hex1c7d510918df

31324556040415 has 32 divisors (see below), whose sum is σ = 41483986592256. Its totient is φ = 22517177247360.

The previous prime is 31324556040403. The next prime is 31324556040431. The reversal of 31324556040415 is 51404065542313.

It is not a de Polignac number, because 31324556040415 - 235 = 31290196302047 is a prime.

It is a super-2 number, since 2×313245560404152 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

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, 2323524 + ... + 8249113.

It is an arithmetic number, because the mean of its divisors is an integer number (1296374581008).

Almost surely, 231324556040415 is an apocalyptic number.

31324556040415 is a deficient number, since it is larger than the sum of its proper divisors (10159430551841).

31324556040415 is a wasteful number, since it uses less digits than its factorization.

31324556040415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10573279.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 31324556040415 in words is "thirty-one trillion, three hundred twenty-four billion, five hundred fifty-six million, forty thousand, four hundred fifteen".

Divisors: 1 5 11 55 103 515 523 1133 2615 5665 5753 28765 53869 269345 592559 2962795 10572637 52863185 116299007 581495035 1088981611 5444908055 5529489151 11978797721 27647445755 59893988605 60824380661 304121903305 569537382553 2847686912765 6264911208083 31324556040415