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2131113222030 = 2351323237582299
BaseRepresentation
bin11111000000110000001…
…111110001111110001110
321112201202221111122010110
4133000300033301332032
5234404004441101110
64311004144220450
7306652654334502
oct37006017617616
97481687448113
102131113222030
11751888946121
122a503560a726
13125c69c68b60
1475209b3a302
153a67d939a20
hex1f0303f1f8e

2131113222030 has 64 divisors (see below), whose sum is σ = 5747591001600. Its totient is φ = 501773813376.

The previous prime is 2131113221977. The next prime is 2131113222047. The reversal of 2131113222030 is 302223111312.

It is a super-2 number, since 2×21311132220302 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2131113221988 and 2131113222006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118782180 + ... + 118800119.

It is an arithmetic number, because the mean of its divisors is an integer number (89806109400).

Almost surely, 22131113222030 is an apocalyptic number.

2131113222030 is an abundant number, since it is smaller than the sum of its proper divisors (3616477779570).

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

2131113222030 is a wasteful number, since it uses less digits than its factorization.

2131113222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237582345.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2131113222030 its reverse (302223111312), we get a palindrome (2433336333342).

The spelling of 2131113222030 in words is "two trillion, one hundred thirty-one billion, one hundred thirteen million, two hundred twenty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 13 15 23 26 30 39 46 65 69 78 115 130 138 195 230 299 345 390 598 690 897 1495 1794 2990 4485 8970 237582299 475164598 712746897 1187911495 1425493794 2375822990 3088569887 3563734485 5464392877 6177139774 7127468970 9265709661 10928785754 15442849435 16393178631 18531419322 27321964385 30885698870 32786357262 46328548305 54643928770 71037107401 81965893155 92657096610 142074214802 163931786310 213111322203 355185537005 426222644406 710371074010 1065556611015 2131113222030