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1331323101320 = 23547051707383
BaseRepresentation
bin10011010111111001000…
…010100110000010001000
311201021101012021212101212
4103113321002212002020
5133303022203220240
62455333522232252
7165120266434442
oct23277102460210
94637335255355
101331323101320
1147367a201893
121960294b5688
139870a625414
1448617609492
152496dca4165
hex135f90a6088

1331323101320 has 32 divisors (see below), whose sum is σ = 2995544877120. Its totient is φ = 532517169600.

The previous prime is 1331323101299. The next prime is 1331323101331. The reversal of 1331323101320 is 231013231331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1528349 + ... + 2235731.

It is an arithmetic number, because the mean of its divisors is an integer number (93610777410).

Almost surely, 21331323101320 is an apocalyptic number.

1331323101320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331323101320 is an abundant number, since it is smaller than the sum of its proper divisors (1664221775800).

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

1331323101320 is a wasteful number, since it uses less digits than its factorization.

1331323101320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754445 (or 754441 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1331323101320 its reverse (231013231331), we get a palindrome (1562336332651).

The spelling of 1331323101320 in words is "one trillion, three hundred thirty-one billion, three hundred twenty-three million, one hundred one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 47051 94102 188204 235255 376408 470510 707383 941020 1414766 1882040 2829532 3536915 5659064 7073830 14147660 28295320 33283077533 66566155066 133132310132 166415387665 266264620264 332830775330 665661550660 1331323101320