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31240310140104 = 23313100129199167
BaseRepresentation
bin1110001101001101100111…
…00101101010110011001000
311002121112200221001011012120
413012212303211222303020
513043320123343440404
6150235333402011240
76403016002544502
oct706466345526310
9132545627034176
1031240310140104
119a54a3970601a
1236066b87a6b20
131457c44117860
147a0079334d72
1539297380e9d9
hex1c69b396acc8

31240310140104 has 32 divisors (see below), whose sum is σ = 84108527301120. Its totient is φ = 9612403119936.

The previous prime is 31240310140037. The next prime is 31240310140153. The reversal of 31240310140104 is 40104101304213.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 7 ways as a sum of consecutive naturals, for example, 50064599272 + ... + 50064599895.

It is an arithmetic number, because the mean of its divisors is an integer number (2628391478160).

Almost surely, 231240310140104 is an apocalyptic number.

It is an amenable number.

31240310140104 is an abundant number, since it is smaller than the sum of its proper divisors (52868217161016).

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

31240310140104 is a wasteful number, since it uses less digits than its factorization.

31240310140104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100129199189 (or 100129199185 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 31240310140104 its reverse (40104101304213), we get a palindrome (71344411444317).

The spelling of 31240310140104 in words is "thirty-one trillion, two hundred forty billion, three hundred ten million, one hundred forty thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 100129199167 200258398334 300387597501 400516796668 600775195002 801033593336 1201550390004 1301679589171 2403100780008 2603359178342 3905038767513 5206718356684 7810077535026 10413436713368 15620155070052 31240310140104