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1310314011221 = 6132036706387
BaseRepresentation
bin10011000100010100110…
…011010001101001010101
311122021011000222111202202
4103010110303101221111
5132432010341324341
62441541104414245
7163444542220055
oct23042463215125
94567130874682
101310314011221
11465779110506
12191b45617385
139673cb79c67
14475c32cb565
152413e65d79b
hex13114cd1a55

1310314011221 has 8 divisors (see below), whose sum is σ = 1332210563424. Its totient is φ = 1288430878320.

The previous prime is 1310314011199. The next prime is 1310314011239. The reversal of 1310314011221 is 1221104130131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1310314011221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310314011193 and 1310314011202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310314011271) 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, 3157811 + ... + 3548576.

It is an arithmetic number, because the mean of its divisors is an integer number (166526320428).

Almost surely, 21310314011221 is an apocalyptic number.

It is an amenable number.

1310314011221 is a deficient number, since it is larger than the sum of its proper divisors (21896552203).

1310314011221 is an equidigital number, since it uses as much as digits as its factorization.

1310314011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6709651.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1310314011221 its reverse (1221104130131), we get a palindrome (2531418141352).

The spelling of 1310314011221 in words is "one trillion, three hundred ten billion, three hundred fourteen million, eleven thousand, two hundred twenty-one".

Divisors: 1 61 3203 195383 6706387 409089607 21480557561 1310314011221