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2312113302131 = 7993113143299
BaseRepresentation
bin100001101001010100101…
…100010010101001110011
322012000222011002101100212
4201221110230102221303
5300340202001132011
64530100432134335
7326021215541153
oct41512454225163
98160864071325
102312113302131
1181161a756286
1231412a0973ab
1313a053b47b79
147dc9a6a4763
1540223d3d08b
hex21a54b12a73

2312113302131 has 8 divisors (see below), whose sum is σ = 2341632768000. Its totient is φ = 2282600141640.

The previous prime is 2312113302001. The next prime is 2312113302133. The reversal of 2312113302131 is 1312033112132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2312113302131 is a prime.

It is a super-2 number, since 2×23121133021312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312113302097 and 2312113302106.

It is not an unprimeable number, because it can be changed into a prime (2312113302133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836081 + ... + 2307218.

It is an arithmetic number, because the mean of its divisors is an integer number (292704096000).

Almost surely, 22312113302131 is an apocalyptic number.

2312113302131 is a deficient number, since it is larger than the sum of its proper divisors (29519465869).

2312113302131 is an equidigital number, since it uses as much as digits as its factorization.

2312113302131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152689.

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

Adding to 2312113302131 its reverse (1312033112132), we get a palindrome (3624146414263).

The spelling of 2312113302131 in words is "two trillion, three hundred twelve billion, one hundred thirteen million, three hundred two thousand, one hundred thirty-one".

Divisors: 1 79 9311 735569 3143299 248320621 29267256989 2312113302131