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313131400024 = 23311262626613
BaseRepresentation
bin1001000111010000001…
…01011111101101011000
31002221020122222021011011
410203220011133231120
520112243114300044
6355503420343304
731423454661412
oct4435005375530
91087218867134
10313131400024
1111088656a513
125082b0a4b34
13236b34b93b1
14112271139b2
15822a419134
hex48e815fb58

313131400024 has 16 divisors (see below), whose sum is σ = 606060774720. Its totient is φ = 151515193440.

The previous prime is 313131400013. The next prime is 313131400033. The reversal of 313131400024 is 420004131313.

It is a junction number, because it is equal to n+sod(n) for n = 313131399968 and 313131400004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631313059 + ... + 631313554.

It is an arithmetic number, because the mean of its divisors is an integer number (37878798420).

Almost surely, 2313131400024 is an apocalyptic number.

It is an amenable number.

313131400024 is a deficient number, since it is larger than the sum of its proper divisors (292929374696).

313131400024 is a wasteful number, since it uses less digits than its factorization.

313131400024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262626650 (or 1262626646 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 313131400024 its reverse (420004131313), we get a palindrome (733135531337).

The spelling of 313131400024 in words is "three hundred thirteen billion, one hundred thirty-one million, four hundred thousand, twenty-four".

Divisors: 1 2 4 8 31 62 124 248 1262626613 2525253226 5050506452 10101012904 39141425003 78282850006 156565700012 313131400024