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30311231020001 = 413821193482941
BaseRepresentation
bin1101110010001011000100…
…01010000101101111100001
310222022201120210202201022222
412321011202022011233201
512433104400120120001
6144244442020040425
76245625363406241
oct671054212055741
9128281523681288
1030311231020001
119726a14775968
123496629b33115
1313bb44bcc0b09
1476b0ddd37b21
153786e845c61b
hex1b9162285be1

30311231020001 has 8 divisors (see below), whose sum is σ = 31058655781608. Its totient is φ = 29564193232000.

The previous prime is 30311231019997. The next prime is 30311231020067. The reversal of 30311231020001 is 10002013211303.

It can be written as a sum of positive squares in 4 ways, for example, as 351590888401 + 29959640131600 = 592951^2 + 5473540^2 .

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 30311231020001 - 22 = 30311231019997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30311231620001) 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, 96584810 + ... + 96898131.

It is an arithmetic number, because the mean of its divisors is an integer number (3882331972701).

Almost surely, 230311231020001 is an apocalyptic number.

It is an amenable number.

30311231020001 is a deficient number, since it is larger than the sum of its proper divisors (747424761607).

30311231020001 is a wasteful number, since it uses less digits than its factorization.

30311231020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193486803.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30311231020001 its reverse (10002013211303), we get a palindrome (40313244231304).

The spelling of 30311231020001 in words is "thirty trillion, three hundred eleven billion, two hundred thirty-one million, twenty thousand, one".

Divisors: 1 41 3821 156661 193482941 7932800581 739298317561 30311231020001