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30131130310121 = 831572312265391
BaseRepresentation
bin1101101100111011100110…
…10100011001110111101001
310221200111201021111201002202
412312131303110121313221
512422132023324410441
6144030014500505545
76226621332546311
oct666356324316751
9127614637451082
1030131130310121
1196675a45a7985
1234677466ab2b5
1313a7479547929
147624d6a04441
15373ba6eae19b
hex1b6773519de9

30131130310121 has 8 divisors (see below), whose sum is σ = 30688386282624. Its totient is φ = 29578498868880.

The previous prime is 30131130310109. The next prime is 30131130310157. The reversal of 30131130310121 is 12101303113103.

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 30131130310121 - 222 = 30131126115817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30131130310093 and 30131130310102.

It is not an unprimeable number, because it can be changed into a prime (30131130300121) 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, 1156119665 + ... + 1156145726.

It is an arithmetic number, because the mean of its divisors is an integer number (3836048285328).

Almost surely, 230131130310121 is an apocalyptic number.

It is an amenable number.

30131130310121 is a deficient number, since it is larger than the sum of its proper divisors (557255972503).

30131130310121 is a wasteful number, since it uses less digits than its factorization.

30131130310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312265631.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 30131130310121 its reverse (12101303113103), we get a palindrome (42232433423224).

The spelling of 30131130310121 in words is "thirty trillion, one hundred thirty-one billion, one hundred thirty million, three hundred ten thousand, one hundred twenty-one".

Divisors: 1 83 157 13031 2312265391 191918027453 363025666387 30131130310121