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31043332230 = 2351034777741
BaseRepresentation
bin11100111010010100…
…111010100010000110
32222010110111200010120
4130322110322202012
51002034043112410
622132222202410
72146165653531
oct347224724206
988113450116
1031043332230
1112190173a79
126024423406
132c09594751
141706c35a18
15c1a519570
hex73a53a886

31043332230 has 16 divisors (see below), whose sum is σ = 74503997424. Its totient is φ = 8278221920.

The previous prime is 31043332219. The next prime is 31043332247. The reversal of 31043332230 is 3223334013.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31043332230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517388841 + ... + 517388900.

It is an arithmetic number, because the mean of its divisors is an integer number (4656499839).

Almost surely, 231043332230 is an apocalyptic number.

31043332230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31043332230 is an abundant number, since it is smaller than the sum of its proper divisors (43460665194).

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

31043332230 is a wasteful number, since it uses less digits than its factorization.

31043332230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034777751.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 31043332230 its reverse (3223334013), we get a palindrome (34266666243).

The spelling of 31043332230 in words is "thirty-one billion, forty-three million, three hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1034777741 2069555482 3104333223 5173888705 6208666446 10347777410 15521666115 31043332230