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2531032130 = 2511296113007
BaseRepresentation
bin1001011011011100…
…0111110001000010
320112101120202100202
42112313013301002
520140421012010
61055052445202
7116502263264
oct22667076102
96471522322
102531032130
1110897799a0
125a7779802
133144a6163
141a020bb34
15ec30a6a5
hex96dc7c42

2531032130 has 64 divisors (see below), whose sum is σ = 5226094080. Its totient is φ = 874003200.

The previous prime is 2531032117. The next prime is 2531032139. The reversal of 2531032130 is 312301352.

2531032130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×25310321302 = 12812247286184673800, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2531032139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188087 + ... + 201093.

It is an arithmetic number, because the mean of its divisors is an integer number (81657720).

Almost surely, 22531032130 is an apocalyptic number.

2531032130 is an abundant number, since it is smaller than the sum of its proper divisors (2695061950).

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

2531032130 is a wasteful number, since it uses less digits than its factorization.

2531032130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13115.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2531032130 is about 50309.3642376844. The cubic root of 2531032130 is about 1362.8013426564.

Adding to 2531032130 its reverse (312301352), we get a palindrome (2843333482).

The spelling of 2531032130 in words is "two billion, five hundred thirty-one million, thirty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 29 55 58 61 110 122 145 290 305 319 610 638 671 1342 1595 1769 3190 3355 3538 6710 8845 13007 17690 19459 26014 38918 65035 97295 130070 143077 194590 286154 377203 715385 754406 793427 1430770 1586854 1886015 3772030 3967135 4149233 7934270 8298466 8727697 17455394 20746165 23009383 41492330 43638485 46018766 87276970 115046915 230093830 253103213 506206426 1265516065 2531032130