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30143410031 = 711173855149
BaseRepresentation
bin11100000100101011…
…111110111101101111
32212210202010212221202
4130010223332331233
5443213203110111
621503033520115
72114660520620
oct340453767557
985722125852
1030143410031
1111869195119
125a12b7303b
132ac4cc75c7
14165d4d9a47
15bb6505b3b
hex704afef6f

30143410031 has 8 divisors (see below), whose sum is σ = 34480461600. Its totient is φ = 25814071008.

The previous prime is 30143410019. The next prime is 30143410049. The reversal of 30143410031 is 13001434103.

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 30143410031 - 218 = 30143147887 is a prime.

It is a super-2 number, since 2×301434100312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30143409985 and 30143410012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30143410631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1919756 + ... + 1935393.

It is an arithmetic number, because the mean of its divisors is an integer number (4310057700).

Almost surely, 230143410031 is an apocalyptic number.

30143410031 is a deficient number, since it is larger than the sum of its proper divisors (4337051569).

30143410031 is a wasteful number, since it uses less digits than its factorization.

30143410031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856273.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30143410031 its reverse (13001434103), we get a palindrome (43144844134).

The spelling of 30143410031 in words is "thirty billion, one hundred forty-three million, four hundred ten thousand, thirty-one".

Divisors: 1 7 1117 7819 3855149 26986043 4306201433 30143410031