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1321313030222 = 21812736445993
BaseRepresentation
bin10011001110100100011…
…001001101000001001110
311200022112120120120022212
4103032210121031001032
5133122022113431342
62451000335510422
7164314240305623
oct23164431150116
94608476516285
101321313030222
1146a402839259
121940b5088412
13977a381cc23
1447d47dc434a
15245850a7182
hex133a464d04e

1321313030222 has 8 divisors (see below), whose sum is σ = 1982078937696. Its totient is φ = 660620050992.

The previous prime is 1321313030221. The next prime is 1321313030227. The reversal of 1321313030222 is 2220303131231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321313030221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18186743 + ... + 18259250.

It is an arithmetic number, because the mean of its divisors is an integer number (247759867212).

Almost surely, 21321313030222 is an apocalyptic number.

1321313030222 is a deficient number, since it is larger than the sum of its proper divisors (660765907474).

1321313030222 is a wasteful number, since it uses less digits than its factorization.

1321313030222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36464122.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1321313030222 its reverse (2220303131231), we get a palindrome (3541616161453).

The spelling of 1321313030222 in words is "one trillion, three hundred twenty-one billion, three hundred thirteen million, thirty thousand, two hundred twenty-two".

Divisors: 1 2 18127 36254 36445993 72891986 660656515111 1321313030222