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11331231234 = 231888538539
BaseRepresentation
bin10101000110110010…
…01101111000000010
31002020200201012001220
422203121031320002
5141201243344414
65112215335510
7550540606401
oct124331157002
932220635056
1011331231234
114895203814
122242981596
1310b773b96b
14796c93638
15464bbbca9
hex2a364de02

11331231234 has 8 divisors (see below), whose sum is σ = 22662462480. Its totient is φ = 3777077076.

The previous prime is 11331231209. The next prime is 11331231239. The reversal of 11331231234 is 43213213311.

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

11331231234 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11331231239) 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, 944269264 + ... + 944269275.

It is an arithmetic number, because the mean of its divisors is an integer number (2832807810).

Almost surely, 211331231234 is an apocalyptic number.

11331231234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11331231234 is a wasteful number, since it uses less digits than its factorization.

11331231234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888538544.

The product of its digits is 1296, while the sum is 24.

Adding to 11331231234 its reverse (43213213311), we get a palindrome (54544444545).

The spelling of 11331231234 in words is "eleven billion, three hundred thirty-one million, two hundred thirty-one thousand, two hundred thirty-four".

Divisors: 1 2 3 6 1888538539 3777077078 5665615617 11331231234