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1031212211101 = 31114592272649
BaseRepresentation
bin11110000000110010000…
…10011001101110011101
310122120201221201000212121
433000121002121232131
5113343410311223401
62105422104302541
7134334254112022
oct17003102315635
93576657630777
101031212211101
11368375456086
12147a32a71a51
137632083c1c7
1437ca787d549
151bc569ddca1
hexf019099b9d

1031212211101 has 8 divisors (see below), whose sum is σ = 1035237528000. Its totient is φ = 1027191443040.

The previous prime is 1031212210997. The next prime is 1031212211143. The reversal of 1031212211101 is 1011122121301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1031212211101 - 215 = 1031212178333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031212211401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682576 + ... + 1590073.

It is an arithmetic number, because the mean of its divisors is an integer number (129404691000).

Almost surely, 21031212211101 is an apocalyptic number.

It is an amenable number.

1031212211101 is a deficient number, since it is larger than the sum of its proper divisors (4025316899).

1031212211101 is a wasteful number, since it uses less digits than its factorization.

1031212211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274419.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1031212211101 its reverse (1011122121301), we get a palindrome (2042334332402).

The spelling of 1031212211101 in words is "one trillion, thirty-one billion, two hundred twelve million, two hundred eleven thousand, one hundred one".

Divisors: 1 311 1459 453749 2272649 706793839 3315794891 1031212211101