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30010312131 = 310003437377
BaseRepresentation
bin11011111100110000…
…010000010111000011
32212110110200210221220
4123330300100113003
5442430114442011
621441521050123
72111453305242
oct337460202703
985413623856
1030010312131
1111800047758
125996486943
132aa3565a57
141649970959
15ba99b4506
hex6fcc105c3

30010312131 has 4 divisors (see below), whose sum is σ = 40013749512. Its totient is φ = 20006874752.

The previous prime is 30010312081. The next prime is 30010312133. The reversal of 30010312131 is 13121301003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13121301003 = 34373767001.

It is a cyclic number.

It is not a de Polignac number, because 30010312131 - 26 = 30010312067 is a prime.

It is a super-2 number, since 2×300103121312 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30010312131.

It is not an unprimeable number, because it can be changed into a prime (30010312133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5001718686 + ... + 5001718691.

It is an arithmetic number, because the mean of its divisors is an integer number (10003437378).

Almost surely, 230010312131 is an apocalyptic number.

30010312131 is a deficient number, since it is larger than the sum of its proper divisors (10003437381).

30010312131 is a wasteful number, since it uses less digits than its factorization.

30010312131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10003437380.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30010312131 its reverse (13121301003), we get a palindrome (43131613134).

The spelling of 30010312131 in words is "thirty billion, ten million, three hundred twelve thousand, one hundred thirty-one".

Divisors: 1 3 10003437377 30010312131