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31325035242055 = 522727599149993
BaseRepresentation
bin1110001111101011011011…
…00110010010001001000111
311002220122101120021021112111
413013311231212102021013
513101212133010221210
6150342304511001451
76412105401202522
oct707655546221107
9132818346237474
1031325035242055
119a87966830135
12361b002b09287
131462c2715bb89
147a41d5853bb9
15394c81a3388a
hex1c7d6d992247

31325035242055 has 8 divisors (see below), whose sum is σ = 37755637191792. Its totient is φ = 24949631592768.

The previous prime is 31325035242043. The next prime is 31325035242121. The reversal of 31325035242055 is 55024253052313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31325035242055 - 29 = 31325035241543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31325035241999 and 31325035242017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13799573862 + ... + 13799576131.

It is an arithmetic number, because the mean of its divisors is an integer number (4719454648974).

Almost surely, 231325035242055 is an apocalyptic number.

31325035242055 is a deficient number, since it is larger than the sum of its proper divisors (6430601949737).

31325035242055 is a wasteful number, since it uses less digits than its factorization.

31325035242055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27599150225.

The product of its (nonzero) digits is 540000, while the sum is 40.

Adding to 31325035242055 its reverse (55024253052313), we get a palindrome (86349288294368).

The spelling of 31325035242055 in words is "thirty-one trillion, three hundred twenty-five billion, thirty-five million, two hundred forty-two thousand, fifty-five".

Divisors: 1 5 227 1135 27599149993 137995749965 6265007048411 31325035242055