Search a number
-
+
31101344 = 25971917
BaseRepresentation
bin111011010100…
…1000110100000
32011112010000122
41312221012200
530430220334
63030335412
7525233321
oct166510640
964463018
1031101344
111661299a
12a4ba568
13659c381
1441b8448
152ae532e
hex1da91a0

31101344 has 12 divisors (see below), whose sum is σ = 61230834. Its totient is φ = 15550656.

The previous prime is 31101299. The next prime is 31101373. The reversal of 31101344 is 44310113.

It can be written as a sum of positive squares in only one way, i.e., 24403600 + 6697744 = 4940^2 + 2588^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485927 + ... + 485990.

Almost surely, 231101344 is an apocalyptic number.

It is an amenable number.

31101344 is a deficient number, since it is larger than the sum of its proper divisors (30129490).

31101344 is an equidigital number, since it uses as much as digits as its factorization.

31101344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971927 (or 971919 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 31101344 is about 5576.8578967013. The cubic root of 31101344 is about 314.4800155467.

Adding to 31101344 its reverse (44310113), we get a palindrome (75411457).

The spelling of 31101344 in words is "thirty-one million, one hundred one thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 971917 1943834 3887668 7775336 15550672 31101344