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1312352331132 = 223182359990507
BaseRepresentation
bin10011000110001110010…
…010110110010101111100
311122110102002102220000210
4103012032102312111330
5133000144144044012
62442515240552420
7163546212521523
oct23061622662574
94573362386023
101312352331132
11466624750417
12192414182710
13969a625020b
1447737cbd4ba
152420d59023c
hex1318e4b657c

1312352331132 has 24 divisors (see below), whose sum is σ = 3063835224576. Its totient is φ = 437210807728.

The previous prime is 1312352331131. The next prime is 1312352331149. The reversal of 1312352331132 is 2311332532131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312352331132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312352331131) 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, 29973378 + ... + 30017129.

It is an arithmetic number, because the mean of its divisors is an integer number (127659801024).

Almost surely, 21312352331132 is an apocalyptic number.

1312352331132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1312352331132 is an abundant number, since it is smaller than the sum of its proper divisors (1751482893444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312352331132 is a wasteful number, since it uses less digits than its factorization.

1312352331132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59992337 (or 59992335 counting only the distinct ones).

The product of its digits is 9720, while the sum is 30.

Adding to 1312352331132 its reverse (2311332532131), we get a palindrome (3623684863263).

The spelling of 1312352331132 in words is "one trillion, three hundred twelve billion, three hundred fifty-two million, three hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 1823 3646 5469 7292 10938 21876 59990507 119981014 179971521 239962028 359943042 719886084 109362694261 218725388522 328088082783 437450777044 656176165566 1312352331132