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10312300331 = 19542752649
BaseRepresentation
bin10011001101010100…
…10011011100101011
3222121200102010122022
421212222103130223
5132104422102311
64423140215055
7513356051354
oct114652233453
928550363568
1010312300331
11441202a963
121bb969a48b
13c84603b78
146db818d2b
154054eb5db
hex266a9372b

10312300331 has 4 divisors (see below), whose sum is σ = 10855053000. Its totient is φ = 9769547664.

The previous prime is 10312300307. The next prime is 10312300333. The reversal of 10312300331 is 13300321301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13300321301 = 29458631769.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10312300331 is a prime.

It is a super-2 number, since 2×103123003312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10312300333) 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, 271376306 + ... + 271376343.

It is an arithmetic number, because the mean of its divisors is an integer number (2713763250).

Almost surely, 210312300331 is an apocalyptic number.

10312300331 is a deficient number, since it is larger than the sum of its proper divisors (542752669).

10312300331 is an equidigital number, since it uses as much as digits as its factorization.

10312300331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542752668.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 10312300331 its reverse (13300321301), we get a palindrome (23612621632).

The spelling of 10312300331 in words is "ten billion, three hundred twelve million, three hundred thousand, three hundred thirty-one".

Divisors: 1 19 542752649 10312300331