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1312011213110 = 251349031205837
BaseRepresentation
bin10011000101111001111…
…101100101100100110110
311122102112022120022001222
4103011321331211210312
5132443444332304420
62442421333350342
7163534601206403
oct23057175454466
94572468508058
101312011213110
1146646a1423a4
12192339a983b2
1396950686a30
14477048852aa
15241dd65d225
hex13179f65936

1312011213110 has 32 divisors (see below), whose sum is σ = 2543347501632. Its totient is φ = 484422675840.

The previous prime is 1312011213109. The next prime is 1312011213113. The reversal of 1312011213110 is 113121102131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312011213113) 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 15 ways as a sum of consecutive naturals, for example, 6271112 + ... + 6476948.

It is an arithmetic number, because the mean of its divisors is an integer number (79479609426).

Almost surely, 21312011213110 is an apocalyptic number.

1312011213110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312011213110 is a deficient number, since it is larger than the sum of its proper divisors (1231336288522).

1312011213110 is a wasteful number, since it uses less digits than its factorization.

1312011213110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254888.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1312011213110 its reverse (113121102131), we get a palindrome (1425132315241).

The spelling of 1312011213110 in words is "one trillion, three hundred twelve billion, eleven million, two hundred thirteen thousand, one hundred ten".

Divisors: 1 2 5 10 13 26 65 130 49031 98062 205837 245155 411674 490310 637403 1029185 1274806 2058370 2675881 3187015 5351762 6374030 13379405 26758810 10092393947 20184787894 50461969735 100923939470 131201121311 262402242622 656005606555 1312011213110