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31342124 = 2211712321
BaseRepresentation
bin111011110001…
…1111000101100
32011222100022102
41313203320230
531010421444
63035434232
7530255312
oct167437054
964870272
1031342124
1116767890
12a5b5978
136654b48
14423c0b2
152b4184e
hex1de3e2c

31342124 has 12 divisors (see below), whose sum is σ = 59835048. Its totient is φ = 14246400.

The previous prime is 31342121. The next prime is 31342139. The reversal of 31342124 is 42124313.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 31342096 and 31342105.

It is not an unprimeable number, because it can be changed into a prime (31342121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356117 + ... + 356204.

It is an arithmetic number, because the mean of its divisors is an integer number (4986254).

Almost surely, 231342124 is an apocalyptic number.

It is an amenable number.

31342124 is a deficient number, since it is larger than the sum of its proper divisors (28492924).

31342124 is a wasteful number, since it uses less digits than its factorization.

31342124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712336 (or 712334 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 31342124 is about 5598.4037010562. The cubic root of 31342124 is about 315.2894760667.

Adding to 31342124 its reverse (42124313), we get a palindrome (73466437).

The spelling of 31342124 in words is "thirty-one million, three hundred forty-two thousand, one hundred twenty-four".

Divisors: 1 2 4 11 22 44 712321 1424642 2849284 7835531 15671062 31342124