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2131300002 = 231327324359
BaseRepresentation
bin111111100001001…
…0000111010100010
312111112102020222010
41333002100322202
513331103100002
6551253053350
7103546515426
oct17702207242
95445366863
102131300002
119a4077267
124b5927256
1327c729780
141630b6b86
15c719b46c
hex7f090ea2

2131300002 has 16 divisors (see below), whose sum is σ = 4590492480. Its totient is φ = 655784592.

The previous prime is 2131299997. The next prime is 2131300009. The reversal of 2131300002 is 2000031312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2131300009) 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, 13662102 + ... + 13662257.

It is an arithmetic number, because the mean of its divisors is an integer number (286905780).

Almost surely, 22131300002 is an apocalyptic number.

2131300002 is an abundant number, since it is smaller than the sum of its proper divisors (2459192478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131300002 is a wasteful number, since it uses less digits than its factorization.

2131300002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27324377.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2131300002 is about 46166.0048303944. The cubic root of 2131300002 is about 1286.9100578367.

Adding to 2131300002 its reverse (2000031312), we get a palindrome (4131331314).

The spelling of 2131300002 in words is "two billion, one hundred thirty-one million, three hundred thousand, two".

Divisors: 1 2 3 6 13 26 39 78 27324359 54648718 81973077 163946154 355216667 710433334 1065650001 2131300002