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2031130001 = 19919911621
BaseRepresentation
bin111100100010000…
…1001010110010001
312020112221002120002
41321010021112101
513124432130001
6533314055345
7101222214545
oct17104112621
95215832502
102031130001
1195257a03a
1248827a555
13264a56794
14153a7da25
15bd4b146b
hex79109591

2031130001 has 8 divisors (see below), whose sum is σ = 2138448000. Its totient is φ = 1923853680.

The previous prime is 2031129973. The next prime is 2031130009. The reversal of 2031130001 is 1000311302.

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 2031130001 - 230 = 957388177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031130009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168971 + ... + 180591.

It is an arithmetic number, because the mean of its divisors is an integer number (267306000).

Almost surely, 22031130001 is an apocalyptic number.

It is an amenable number.

2031130001 is a deficient number, since it is larger than the sum of its proper divisors (107317999).

2031130001 is a wasteful number, since it uses less digits than its factorization.

2031130001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20839.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 2031130001 is about 45068.0596542607. The cubic root of 2031130001 is about 1266.4243151835.

Adding to 2031130001 its reverse (1000311302), we get a palindrome (3031441303).

The spelling of 2031130001 in words is "two billion, thirty-one million, one hundred thirty thousand, one".

Divisors: 1 19 9199 11621 174781 220799 106901579 2031130001