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316403431631 = 7711036180841
BaseRepresentation
bin1001001101010110001…
…11010011100011001111
31010020200200212200200222
410212223013103203033
520140443234303011
6401204223341555
731600525536230
oct4465307234317
91106620780628
10316403431631
11112205541271
12513a2a518bb
1323ab5358381
14114578cd087
15836c7e4ddb
hex49ab1d38cf

316403431631 has 16 divisors (see below), whose sum is σ = 370257159168. Its totient is φ = 264787185600.

The previous prime is 316403431621. The next prime is 316403431651. The reversal of 316403431631 is 136134304613.

It is not a de Polignac number, because 316403431631 - 26 = 316403431567 is a prime.

It is a super-2 number, since 2×3164034316312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316403431591 and 316403431600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316403431621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3039230 + ... + 3141611.

It is an arithmetic number, because the mean of its divisors is an integer number (23141072448).

Almost surely, 2316403431631 is an apocalyptic number.

316403431631 is a deficient number, since it is larger than the sum of its proper divisors (53853727537).

316403431631 is a wasteful number, since it uses less digits than its factorization.

316403431631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6181022.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 316403431631 in words is "three hundred sixteen billion, four hundred three million, four hundred thirty-one thousand, six hundred thirty-one".

Divisors: 1 7 71 103 497 721 7313 51191 6180841 43265887 438839711 636626623 3071877977 4456386361 45200490233 316403431631