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1302313211321 = 31212111980581
BaseRepresentation
bin10010111100110111111…
…010101001010110111001
311121111111110001202121112
4102330313322221112321
5132314114140230241
62434135135450105
7163042351435613
oct22746772512671
94544443052545
101302313211321
11462342947091
12190492086935
1395a66416a35
1447064895db3
1523d220561eb
hex12f37ea95b9

1302313211321 has 8 divisors (see below), whose sum is σ = 1344387372288. Its totient is φ = 1260243054000.

The previous prime is 1302313211281. The next prime is 1302313211323. The reversal of 1302313211321 is 1231123132031.

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

It is a cyclic number.

It is not a de Polignac number, because 1302313211321 - 238 = 1027435304377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302313211323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332750 + ... + 1647831.

It is an arithmetic number, because the mean of its divisors is an integer number (168048421536).

Almost surely, 21302313211321 is an apocalyptic number.

It is an amenable number.

1302313211321 is a deficient number, since it is larger than the sum of its proper divisors (42074160967).

1302313211321 is a wasteful number, since it uses less digits than its factorization.

1302313211321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001823.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1302313211321 its reverse (1231123132031), we get a palindrome (2533436343352).

The spelling of 1302313211321 in words is "one trillion, three hundred two billion, three hundred thirteen million, two hundred eleven thousand, three hundred twenty-one".

Divisors: 1 31 21211 657541 1980581 61398011 42010103591 1302313211321