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30001103031 = 311388498829
BaseRepresentation
bin11011111100001101…
…001000000010110111
32212102211100221110010
4123330031020002313
5442420240244111
621440551431303
72111312111454
oct337415100267
985384327403
1030001103031
11117a5927829
125993385533
132aa1690193
14164865482b
15ba8c95aa6
hex6fc3480b7

30001103031 has 8 divisors (see below), whose sum is σ = 40355466480. Its totient is φ = 19823737472.

The previous prime is 30001103017. The next prime is 30001103047. The reversal of 30001103031 is 13030110003.

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 30001103031 - 213 = 30001094839 is a prime.

It is a super-2 number, since 2×300011030312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30001102998 and 30001103016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30001103071) 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, 44249076 + ... + 44249753.

It is an arithmetic number, because the mean of its divisors is an integer number (5044433310).

Almost surely, 230001103031 is an apocalyptic number.

30001103031 is a deficient number, since it is larger than the sum of its proper divisors (10354363449).

30001103031 is a wasteful number, since it uses less digits than its factorization.

30001103031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88498945.

The product of its (nonzero) digits is 27, while the sum is 12.

Adding to 30001103031 its reverse (13030110003), we get a palindrome (43031213034).

The spelling of 30001103031 in words is "thirty billion, one million, one hundred three thousand, thirty-one".

Divisors: 1 3 113 339 88498829 265496487 10000367677 30001103031