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1312111103102 = 23717731231123
BaseRepresentation
bin10011000101111111111…
…010101000110001111110
311122102210021112020101022
4103011333322220301332
5132444200420244402
62442435302344142
7163540223233022
oct23057772506176
94572707466338
101312111103102
11466510569208
1219236742b052
139696828c437
1447713c48382
15241e72e02a2
hex1317fea8c7e

1312111103102 has 8 divisors (see below), whose sum is σ = 2021360348136. Its totient is φ = 638324320392.

The previous prime is 1312111103099. The next prime is 1312111103117. The reversal of 1312111103102 is 2013011112131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8865615488 + ... + 8865615635.

It is an arithmetic number, because the mean of its divisors is an integer number (252670043517).

Almost surely, 21312111103102 is an apocalyptic number.

1312111103102 is a deficient number, since it is larger than the sum of its proper divisors (709249245034).

1312111103102 is a wasteful number, since it uses less digits than its factorization.

1312111103102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17731231162.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1312111103102 its reverse (2013011112131), we get a palindrome (3325122215233).

The spelling of 1312111103102 in words is "one trillion, three hundred twelve billion, one hundred eleven million, one hundred three thousand, one hundred two".

Divisors: 1 2 37 74 17731231123 35462462246 656055551551 1312111103102