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1022131230231 = 310313901237959
BaseRepresentation
bin11101101111110111100…
…01001101011000010111
310121201022002020101222210
432313323301031120113
5113221311043331411
62101321031324503
7133563236051106
oct16677361153027
93551262211883
101022131230231
11364535483811
12146119820733
1375504377247
14376857c803d
151b8c4667ca6
hexedfbc4d617

1022131230231 has 16 divisors (see below), whose sum is σ = 1376177886720. Its totient is φ = 674753704800.

The previous prime is 1022131230193. The next prime is 1022131230257. The reversal of 1022131230231 is 1320321312201.

It is not a de Polignac number, because 1022131230231 - 27 = 1022131230103 is a prime.

It is a super-2 number, since 2×10221312302312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1022131230198 and 1022131230207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022131230331) 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, 4176430 + ... + 4414388.

It is an arithmetic number, because the mean of its divisors is an integer number (86011117920).

Almost surely, 21022131230231 is an apocalyptic number.

1022131230231 is a deficient number, since it is larger than the sum of its proper divisors (354046656489).

1022131230231 is a wasteful number, since it uses less digits than its factorization.

1022131230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251966.

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

Adding to 1022131230231 its reverse (1320321312201), we get a palindrome (2342452542432).

The spelling of 1022131230231 in words is "one trillion, twenty-two billion, one hundred thirty-one million, two hundred thirty thousand, two hundred thirty-one".

Divisors: 1 3 103 309 13901 41703 237959 713877 1431803 4295409 24509777 73529331 3307868059 9923604177 340710410077 1022131230231