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1031220103323 = 31903118062111
BaseRepresentation
bin11110000000110011000…
…00100000100010011011
310122120202111112222222010
433000121200200202123
5113343414321301243
62105422545401003
7134334411152304
oct17003140404233
93576674488863
101031220103323
11368379956683
12147a35639163
1376322373567
1437ca89357ab
151bc5754c433
hexf01982089b

1031220103323 has 8 divisors (see below), whose sum is σ = 1375032462336. Its totient is φ = 687443906600.

The previous prime is 1031220103307. The next prime is 1031220103363. The reversal of 1031220103323 is 3233010221301.

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 1031220103323 - 24 = 1031220103307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1031220103323.

It is not an unprimeable number, because it can be changed into a prime (1031220103363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8973963 + ... + 9088148.

It is an arithmetic number, because the mean of its divisors is an integer number (171879057792).

Almost surely, 21031220103323 is an apocalyptic number.

1031220103323 is a deficient number, since it is larger than the sum of its proper divisors (343812359013).

1031220103323 is a wasteful number, since it uses less digits than its factorization.

1031220103323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18081145.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1031220103323 its reverse (3233010221301), we get a palindrome (4264230324624).

The spelling of 1031220103323 in words is "one trillion, thirty-one billion, two hundred twenty million, one hundred three thousand, three hundred twenty-three".

Divisors: 1 3 19031 57093 18062111 54186333 343740034441 1031220103323