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1310313432521 = 4393221926659
BaseRepresentation
bin10011000100010100110…
…001000100010111001001
311122021010222220002221102
4103010110301010113021
5132432010214320041
62441541044151145
7163444534256642
oct23042461042711
94567128802842
101310313432521
11465778855745
12191b453984b5
139673ca06732
14475c31ba6c9
152413e59709b
hex13114c445c9

1310313432521 has 8 divisors (see below), whose sum is σ = 1313707348800. Its totient is φ = 1306921376880.

The previous prime is 1310313432517. The next prime is 1310313432553. The reversal of 1310313432521 is 1252343130131.

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 1310313432521 - 22 = 1310313432517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310313431521) 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, 950690 + ... + 1877348.

It is an arithmetic number, because the mean of its divisors is an integer number (164213418600).

Almost surely, 21310313432521 is an apocalyptic number.

It is an amenable number.

1310313432521 is a deficient number, since it is larger than the sum of its proper divisors (3393916279).

1310313432521 is an equidigital number, since it uses as much as digits as its factorization.

1310313432521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930319.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 1310313432521 its reverse (1252343130131), we get a palindrome (2562656562652).

The spelling of 1310313432521 in words is "one trillion, three hundred ten billion, three hundred thirteen million, four hundred thirty-two thousand, five hundred twenty-one".

Divisors: 1 439 3221 926659 1414019 406803301 2984768639 1310313432521