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1031210320201 = 19201073269923
BaseRepresentation
bin11110000000110001110…
…11001100000101001001
310122120201211010222001021
433000120323030011021
5113343404320221301
62105421555552441
7134334232045135
oct17003073140511
93576654128037
101031210320201
11368374384456
12147a322bb721
1376320329629
1437ca750a3c5
151bc567688a1
hexf018ecc149

1031210320201 has 8 divisors (see below), whose sum is σ = 1085493967520. Its totient is φ = 976927614912.

The previous prime is 1031210320171. The next prime is 1031210320219. The reversal of 1031210320201 is 1020230121301.

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 1031210320201 - 27 = 1031210320073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031210120201) by changing a digit.

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, 3685426 + ... + 3955348.

It is an arithmetic number, because the mean of its divisors is an integer number (135686745940).

Almost surely, 21031210320201 is an apocalyptic number.

It is an amenable number.

1031210320201 is a deficient number, since it is larger than the sum of its proper divisors (54283647319).

1031210320201 is a wasteful number, since it uses less digits than its factorization.

1031210320201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471015.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1031210320201 its reverse (1020230121301), we get a palindrome (2051440441502).

The spelling of 1031210320201 in words is "one trillion, thirty-one billion, two hundred ten million, three hundred twenty thousand, two hundred one".

Divisors: 1 19 201073 269923 3820387 5128537 54274227379 1031210320201