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31124012413 = 1323104093687
BaseRepresentation
bin11100111111001000…
…101011110101111101
32222100002022122112111
4130333020223311331
51002220221344123
622144223334021
72151165511654
oct347710536575
988302278474
1031124012413
111222176a20a
126047451311
132c202025c0
14171383819b
15c2265490d
hex73f22bd7d

31124012413 has 8 divisors (see below), whose sum is σ = 34975479168. Its totient is φ = 27480733104.

The previous prime is 31124012389. The next prime is 31124012441. The reversal of 31124012413 is 31421042113.

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 31124012413 - 29 = 31124011901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31124012443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 52046545 + ... + 52047142.

It is an arithmetic number, because the mean of its divisors is an integer number (4371934896).

Almost surely, 231124012413 is an apocalyptic number.

It is an amenable number.

31124012413 is a deficient number, since it is larger than the sum of its proper divisors (3851466755).

31124012413 is a wasteful number, since it uses less digits than its factorization.

31124012413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104093723.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31124012413 its reverse (31421042113), we get a palindrome (62545054526).

The spelling of 31124012413 in words is "thirty-one billion, one hundred twenty-four million, twelve thousand, four hundred thirteen".

Divisors: 1 13 23 299 104093687 1353217931 2394154801 31124012413