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11213304331 = 38357750741
BaseRepresentation
bin10100111000101110…
…10111001000001011
31001221110210212202211
422130113113020023
5140431101214311
65052404005551
7544606341235
oct123427271013
931843725684
1011213304331
114834688569
12220b3908b7
13109918c528
14785357255
15459675821
hex29c5d720b

11213304331 has 8 divisors (see below), whose sum is σ = 11262288384. Its totient is φ = 11164423680.

The previous prime is 11213304257. The next prime is 11213304353. The reversal of 11213304331 is 13340331211.

11213304331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-11213304331 is a prime.

It is a super-2 number, since 2×112133043312 (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 (11213304391) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 195621 + ... + 246361.

It is an arithmetic number, because the mean of its divisors is an integer number (1407786048).

Almost surely, 211213304331 is an apocalyptic number.

11213304331 is a deficient number, since it is larger than the sum of its proper divisors (48984053).

11213304331 is an equidigital number, since it uses as much as digits as its factorization.

11213304331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51701.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11213304331 its reverse (13340331211), we get a palindrome (24553635542).

The spelling of 11213304331 in words is "eleven billion, two hundred thirteen million, three hundred four thousand, three hundred thirty-one".

Divisors: 1 383 577 50741 220991 19433803 29277557 11213304331