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213130131323322 = 23299857124265579
BaseRepresentation
bin110000011101011100111001…
…110001001011100110111010
31000221122001010022011202012110
4300131130321301023212322
5210413411002104321242
62033142344115553150
762615100224145333
oct6035347161134672
91027561108152173
10213130131323322
1161a00a87928344
121baa20698bb7b6
1391c01150aba15
143a8b7a673b28a
15199900cd7a39c
hexc1d739c4b9ba

213130131323322 has 32 divisors (see below), whose sum is σ = 441003631550400. Its totient is φ = 68586646059008.

The previous prime is 213130131323321. The next prime is 213130131323381. The reversal of 213130131323322 is 223323131031312.

It is a super-2 number, since 2×2131301313233222 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213130131323322.

It is not an unprimeable number, because it can be changed into a prime (213130131323321) 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, 60417672 + ... + 63847907.

It is an arithmetic number, because the mean of its divisors is an integer number (13781363485950).

Almost surely, 2213130131323322 is an apocalyptic number.

213130131323322 is an abundant number, since it is smaller than the sum of its proper divisors (227873500227078).

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

213130131323322 is a wasteful number, since it uses less digits than its factorization.

213130131323322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124275470.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 213130131323322 its reverse (223323131031312), we get a palindrome (436453262354634).

The spelling of 213130131323322 in words is "two hundred thirteen trillion, one hundred thirty billion, one hundred thirty-one million, three hundred twenty-three thousand, three hundred twenty-two".

Divisors: 1 2 3 6 29 58 87 174 9857 19714 29571 59142 285853 571706 857559 1715118 124265579 248531158 372796737 745593474 3603701791 7207403582 10811105373 21622210746 1224885812203 2449771624406 3674657436609 7349314873218 35521688553887 71043377107774 106565065661661 213130131323322