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1331320222300 = 2252241454712149
BaseRepresentation
bin10011010111111000110…
…111100111001001011100
311201021100222212121010111
4103113320313213021130
5133303020434103200
62455333340415404
7165120233114005
oct23277067471134
94637328777114
101331320222300
11473678615832
12196028547564
1398709b57b63
144861709a1ac
152496d8d60ba
hex135f8de725c

1331320222300 has 72 divisors (see below), whose sum is σ = 2901829114800. Its totient is φ = 530158156800.

The previous prime is 1331320222289. The next prime is 1331320222307. The reversal of 1331320222300 is 32220231331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331320222307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109576626 + ... + 109588774.

It is an arithmetic number, because the mean of its divisors is an integer number (40303182150).

Almost surely, 21331320222300 is an apocalyptic number.

1331320222300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331320222300 is an abundant number, since it is smaller than the sum of its proper divisors (1570508892500).

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

1331320222300 is a wasteful number, since it uses less digits than its factorization.

1331320222300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16951 (or 16944 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1331320222300 its reverse (32220231331), we get a palindrome (1363540453631).

The spelling of 1331320222300 in words is "one trillion, three hundred thirty-one billion, three hundred twenty million, two hundred twenty-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 241 482 964 1205 2410 4547 4820 6025 9094 12050 12149 18188 22735 24100 24298 45470 48596 60745 90940 113675 121490 227350 242980 303725 454700 607450 1095827 1214900 2191654 2927909 4383308 5479135 5855818 10958270 11711636 14639545 21916540 27395675 29279090 54791350 55241503 58558180 73197725 109582700 110483006 146395450 220966012 276207515 292790900 552415030 1104830060 1381037575 2762075150 5524150300 13313202223 26626404446 53252808892 66566011115 133132022230 266264044460 332830055575 665660111150 1331320222300