Search a number
-
+
10303101031 = 13974123029
BaseRepresentation
bin10011001100001110…
…01101100001100111
3222121001002202120111
421212013031201213
5132100043213111
64422211113451
7513214625266
oct114607154147
928531082514
1010303101031
114407917333
121bb65a2887
13c827328b2
146da5025dd
154047d0a21
hex2661cd867

10303101031 has 4 divisors (see below), whose sum is σ = 10377224200. Its totient is φ = 10228977864.

The previous prime is 10303101013. The next prime is 10303101041. The reversal of 10303101031 is 13010130301.

It is a happy number.

10303101031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10303101031 - 217 = 10302969959 is a prime.

It is a super-2 number, since 2×103031010312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10303101041) 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, 37061376 + ... + 37061653.

It is an arithmetic number, because the mean of its divisors is an integer number (2594306050).

Almost surely, 210303101031 is an apocalyptic number.

10303101031 is a deficient number, since it is larger than the sum of its proper divisors (74123169).

10303101031 is an equidigital number, since it uses as much as digits as its factorization.

10303101031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74123168.

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 10303101031 its reverse (13010130301), we get a palindrome (23313231332).

The spelling of 10303101031 in words is "ten billion, three hundred three million, one hundred one thousand, thirty-one".

Divisors: 1 139 74123029 10303101031