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30311442221134 = 2443180118995869
BaseRepresentation
bin1101110010001011011101…
…01111110000100001001110
310222022202010112011211211011
412321011232233300201032
512433110313202034014
6144244515002515434
76245633536525054
oct671055657604116
9128282115154734
1030311442221134
119727012a09458
123496688805b7a
1313bb48399a5b9
1476b11ddd41d4
1537870bc7a7c4
hex1b916ebf084e

30311442221134 has 16 divisors (see below), whose sum is σ = 45595102909680. Its totient is φ = 15113112580800.

The previous prime is 30311442221101. The next prime is 30311442221141. The reversal of 30311442221134 is 43112224411303.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30311442221096 and 30311442221105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7902249 + ... + 11093620.

It is an arithmetic number, because the mean of its divisors is an integer number (2849693931855).

Almost surely, 230311442221134 is an apocalyptic number.

30311442221134 is a deficient number, since it is larger than the sum of its proper divisors (15283660688546).

30311442221134 is a wasteful number, since it uses less digits than its factorization.

30311442221134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18998115.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 30311442221134 its reverse (43112224411303), we get a palindrome (73423666632437).

The spelling of 30311442221134 in words is "thirty trillion, three hundred eleven billion, four hundred forty-two million, two hundred twenty-one thousand, one hundred thirty-four".

Divisors: 1 2 443 886 1801 3602 797843 1595686 18995869 37991738 8415169967 16830339934 34211560069 68423120138 15155721110567 30311442221134