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1231412141321 = 1780917895189
BaseRepresentation
bin10001111010110101111…
…000100001110100001001
311100201111020012020001222
4101322311320201310021
5130133413002010241
62341411455451425
7154652353332665
oct21726570416411
94321436166058
101231412141321
1143526a06186a
1217a7a5526b75
138c1773bc98b
144385a3258a5
15220727a6a4b
hex11eb5e21d09

1231412141321 has 8 divisors (see below), whose sum is σ = 1303865719560. Its totient is φ = 1158960515328.

The previous prime is 1231412141257. The next prime is 1231412141341.

It is a happy number.

1231412141321 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 2282928400 + 1229129212921 = 47780^2 + 1108661^2 .

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 1231412141321 - 26 = 1231412141257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231412141341) 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, 927995 + ... + 1823183.

It is an arithmetic number, because the mean of its divisors is an integer number (162983214945).

Almost surely, 21231412141321 is an apocalyptic number.

It is an amenable number.

1231412141321 is a deficient number, since it is larger than the sum of its proper divisors (72453578239).

1231412141321 is an equidigital number, since it uses as much as digits as its factorization.

1231412141321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976123.

The product of its digits is 1152, while the sum is 26.

The spelling of 1231412141321 in words is "one trillion, two hundred thirty-one billion, four hundred twelve million, one hundred forty-one thousand, three hundred twenty-one".

Divisors: 1 17 80917 895189 1375589 15218213 72436008313 1231412141321