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1232310313121 = 1823675979327
BaseRepresentation
bin10001111011101011011…
…010110010000010100001
311100210210211021002011012
4101323223122302002201
5130142232420004441
62342040542430305
7155013540555446
oct21735332620241
94323724232135
101232310313121
11435690055608
1217a9b6292395
138c28b4c6194
14439037279cd
15220c65719eb
hex11eeb6b20a1

1232310313121 has 4 divisors (see below), whose sum is σ = 1232986294272. Its totient is φ = 1231634331972.

The previous prime is 1232310313081. The next prime is 1232310313159. The reversal of 1232310313121 is 1213130132321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1232310313121 - 210 = 1232310312097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232310313921) 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, 337987841 + ... + 337991486.

It is an arithmetic number, because the mean of its divisors is an integer number (308246573568).

Almost surely, 21232310313121 is an apocalyptic number.

It is an amenable number.

1232310313121 is a deficient number, since it is larger than the sum of its proper divisors (675981151).

1232310313121 is an equidigital number, since it uses as much as digits as its factorization.

1232310313121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675981150.

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

Adding to 1232310313121 its reverse (1213130132321), we get a palindrome (2445440445442).

The spelling of 1232310313121 in words is "one trillion, two hundred thirty-two billion, three hundred ten million, three hundred thirteen thousand, one hundred twenty-one".

Divisors: 1 1823 675979327 1232310313121