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31134042510 = 2352514134667
BaseRepresentation
bin11100111111101110…
…111100100110001110
32222100210012020020120
4130333232330212032
51002230303330020
622145222325410
72151346665144
oct347756744616
988323166216
1031134042510
111222739aa4a
12604a889866
132c22304a7c
141714cc9594
15c23486740
hex73fbbc98e

31134042510 has 32 divisors (see below), whose sum is σ = 75019416192. Its totient is φ = 8269332000.

The previous prime is 31134042497. The next prime is 31134042551. The reversal of 31134042510 is 1524043113.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2059804 + ... + 2074863.

It is an arithmetic number, because the mean of its divisors is an integer number (2344356756).

Almost surely, 231134042510 is an apocalyptic number.

31134042510 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31134042510 is an abundant number, since it is smaller than the sum of its proper divisors (43885373682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31134042510 is a wasteful number, since it uses less digits than its factorization.

31134042510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134928.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 31134042510 its reverse (1524043113), we get a palindrome (32658085623).

The spelling of 31134042510 in words is "thirty-one billion, one hundred thirty-four million, forty-two thousand, five hundred ten".

Divisors: 1 2 3 5 6 10 15 30 251 502 753 1255 1506 2510 3765 7530 4134667 8269334 12404001 20673335 24808002 41346670 62020005 124040010 1037801417 2075602834 3113404251 5189007085 6226808502 10378014170 15567021255 31134042510