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2311002131312 = 24720633947601
BaseRepresentation
bin100001101000010010011…
…101100000101101110000
322011221002201020001120002
4201220102131200231300
5300330413021200222
64525354300005132
7325651534001120
oct41502235405560
98157081201502
102311002131312
118110aa501196
12313a79b307a8
13139c07885744
147dbd2c98c80
15401ab4ec392
hex21a12760b70

2311002131312 has 20 divisors (see below), whose sum is σ = 5117219005296. Its totient is φ = 990429484800.

The previous prime is 2311002131293. The next prime is 2311002131329. The reversal of 2311002131312 is 2131312001132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10316973689 + ... + 10316973912.

Almost surely, 22311002131312 is an apocalyptic number.

It is an amenable number.

2311002131312 is an abundant number, since it is smaller than the sum of its proper divisors (2806216873984).

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

2311002131312 is a wasteful number, since it uses less digits than its factorization.

2311002131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20633947616 (or 20633947610 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2311002131312 its reverse (2131312001132), we get a palindrome (4442314132444).

The spelling of 2311002131312 in words is "two trillion, three hundred eleven billion, two million, one hundred thirty-one thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 20633947601 41267895202 82535790404 144437633207 165071580808 288875266414 330143161616 577750532828 1155501065656 2311002131312