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1031003221211 = 61124247136033
BaseRepresentation
bin11110000000011001001…
…01001010110011011011
310122120012101110020122022
433000030211022303123
5113342443311034321
62105345241045055
7134326135533035
oct17001445126333
93576171406568
101031003221211
11368278492967
12147994a8678b
13762b9458052
1437c87bdac55
151bc434aadab
hexf00c94acdb

1031003221211 has 8 divisors (see below), whose sum is σ = 1047921050784. Its totient is φ = 1014085912320.

The previous prime is 1031003221201. The next prime is 1031003221217. The reversal of 1031003221211 is 1121223001301.

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 1031003221211 - 26 = 1031003221147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031003221211.

It is not an unprimeable number, because it can be changed into a prime (1031003221217) 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, 7511051 + ... + 7647083.

It is an arithmetic number, because the mean of its divisors is an integer number (130990131348).

Almost surely, 21031003221211 is an apocalyptic number.

1031003221211 is a deficient number, since it is larger than the sum of its proper divisors (16917829573).

1031003221211 is a wasteful number, since it uses less digits than its factorization.

1031003221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260341.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1031003221211 its reverse (1121223001301), we get a palindrome (2152226222512).

The spelling of 1031003221211 in words is "one trillion, thirty-one billion, three million, two hundred twenty-one thousand, two hundred eleven".

Divisors: 1 61 124247 136033 7579067 8298013 16901692151 1031003221211