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31100121132010 = 257444287444743
BaseRepresentation
bin1110001001001000011111…
…01011000010101111101010
311002010010211220200200002121
413010210033223002233222
513034021022002211020
6150051110505021454
76356623664621260
oct704441753025752
9132103756620077
1031100121132010
119a0053a667347
1235a34b378488a
131447962349768
1479737a986430
1538debb205baa
hex1c490fac2bea

31100121132010 has 16 divisors (see below), whose sum is σ = 63977392043136. Its totient is φ = 10662898673808.

The previous prime is 31100121131953. The next prime is 31100121132013. The reversal of 31100121132010 is 1023112100113.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31100121132013) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 222143722302 + ... + 222143722441.

It is an arithmetic number, because the mean of its divisors is an integer number (3998587002696).

Almost surely, 231100121132010 is an apocalyptic number.

31100121132010 is an abundant number, since it is smaller than the sum of its proper divisors (32877270911126).

31100121132010 is a wasteful number, since it uses less digits than its factorization.

31100121132010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444287444757.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 31100121132010 its reverse (1023112100113), we get a palindrome (32123233232123).

The spelling of 31100121132010 in words is "thirty-one trillion, one hundred billion, one hundred twenty-one million, one hundred thirty-two thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 444287444743 888574889486 2221437223715 3110012113201 4442874447430 6220024226402 15550060566005 31100121132010