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103021132331321 = 131786420857491
BaseRepresentation
bin10111011011001001111001…
…111111110011100100111001
3111111202201112211210110112122
4113123021321333303210321
5102000344234334100241
61003035131013251025
730462013461224621
oct2733117177634471
9444681484713478
10103021132331321
112a90a02049a186
12b67a228933a75
134563b0ab115b9
141b6236c547881
15bd9c393a004b
hex5db279ff3939

103021132331321 has 4 divisors (see below), whose sum is σ = 103807553188944. Its totient is φ = 102234711473700.

The previous prime is 103021132331303. The next prime is 103021132331323. The reversal of 103021132331321 is 123133231120301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103021132331321 is a prime.

It is a super-2 number, since 2×1030211323313212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103021132331323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393210428615 + ... + 393210428876.

It is an arithmetic number, because the mean of its divisors is an integer number (25951888297236).

Almost surely, 2103021132331321 is an apocalyptic number.

It is an amenable number.

103021132331321 is a deficient number, since it is larger than the sum of its proper divisors (786420857623).

103021132331321 is an equidigital number, since it uses as much as digits as its factorization.

103021132331321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786420857622.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 103021132331321 its reverse (123133231120301), we get a palindrome (226154363451622).

The spelling of 103021132331321 in words is "one hundred three trillion, twenty-one billion, one hundred thirty-two million, three hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 131 786420857491 103021132331321