Search a number
-
+
131032205530 = 25191301530087
BaseRepresentation
bin111101000001000100…
…0001100100011011010
3110112012212012201102021
41322002020030203122
54121323221034110
6140110110525054
712316046240632
oct1720210144332
9415185181367
10131032205530
115063029a456
122148a50678a
13c4829a9835
1464b05db6c2
15361d7a72da
hex1e8220c8da

131032205530 has 32 divisors (see below), whose sum is σ = 248462847360. Its totient is φ = 49616049600.

The previous prime is 131032205519. The next prime is 131032205533. The reversal of 131032205530 is 35502230131.

It is a junction number, because it is equal to n+sod(n) for n = 131032205495 and 131032205504.

It is not an unprimeable number, because it can be changed into a prime (131032205533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17854 + ... + 512233.

It is an arithmetic number, because the mean of its divisors is an integer number (7764463980).

Almost surely, 2131032205530 is an apocalyptic number.

131032205530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131032205530 is a deficient number, since it is larger than the sum of its proper divisors (117430641830).

131032205530 is a wasteful number, since it uses less digits than its factorization.

131032205530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531414.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 131032205530 its reverse (35502230131), we get a palindrome (166534435661).

The spelling of 131032205530 in words is "one hundred thirty-one billion, thirty-two million, two hundred five thousand, five hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 1301 2602 6505 13010 24719 49438 123595 247190 530087 1060174 2650435 5300870 10071653 20143306 50358265 100716530 689643187 1379286374 3448215935 6896431870 13103220553 26206441106 65516102765 131032205530