Search a number
-
+
1330031100031 = 3101942877949
BaseRepresentation
bin10011010110101100000…
…010000000000001111111
311201011001011011101211021
4103112230002000001333
5133242400430200111
62455001410205011
7165043260550024
oct23265402000177
94634034141737
101330031100031
11473076978127
12195928883767
1398562a5b10a
1448533bab54b
15248e5643d71
hex135ac08007f

1330031100031 has 4 divisors (see below), whose sum is σ = 1330074009000. Its totient is φ = 1329988191064.

The previous prime is 1330031100001. The next prime is 1330031100037. The reversal of 1330031100031 is 1300011300331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1330031100031 is a prime.

It is a super-2 number, since 2×13300311000312 (a number of 25 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 = 1330031099978 and 1330031100014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330031100037) 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 3 ways as a sum of consecutive naturals, for example, 21407956 + ... + 21469993.

It is an arithmetic number, because the mean of its divisors is an integer number (332518502250).

Almost surely, 21330031100031 is an apocalyptic number.

1330031100031 is a deficient number, since it is larger than the sum of its proper divisors (42908969).

1330031100031 is an equidigital number, since it uses as much as digits as its factorization.

1330031100031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42908968.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 1330031100031 its reverse (1300011300331), we get a palindrome (2630042400362).

The spelling of 1330031100031 in words is "one trillion, three hundred thirty billion, thirty-one million, one hundred thousand, thirty-one".

Divisors: 1 31019 42877949 1330031100031