Search a number
-
+
131022331210 = 2544329576147
BaseRepresentation
bin111101000000110001…
…0100001110101001010
3110112012011122001101201
41322001202201311022
54121313204044320
6140105115134414
712315566303551
oct1720142416512
9415164561351
10131022331210
1150625765761
122148714440a
13c480930244
1464ad18ad98
15361c9a670a
hex1e818a1d4a

131022331210 has 16 divisors (see below), whose sum is σ = 236372574816. Its totient is φ = 52290626128.

The previous prime is 131022331183. The next prime is 131022331213. The reversal of 131022331210 is 12133220131.

It is not an unprimeable number, because it can be changed into a prime (131022331213) 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, 14783644 + ... + 14792503.

It is an arithmetic number, because the mean of its divisors is an integer number (14773285926).

Almost surely, 2131022331210 is an apocalyptic number.

131022331210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131022331210 is a deficient number, since it is larger than the sum of its proper divisors (105350243606).

131022331210 is a wasteful number, since it uses less digits than its factorization.

131022331210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29576597.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131022331210 its reverse (12133220131), we get a palindrome (143155551341).

The spelling of 131022331210 in words is "one hundred thirty-one billion, twenty-two million, three hundred thirty-one thousand, two hundred ten".

Divisors: 1 2 5 10 443 886 2215 4430 29576147 59152294 147880735 295761470 13102233121 26204466242 65511165605 131022331210