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10323030031 = 47221218611
BaseRepresentation
bin10011001110100110…
…01111000000001111
3222122102121021000121
421213103033000033
5132120143430111
64424202205411
7513546210316
oct114723170017
928572537017
1010323030031
114418099286
1220011b3867
13c868bc8c2
146dd00d27d
1540641a871
hex2674cf00f

10323030031 has 4 divisors (see below), whose sum is σ = 10323295864. Its totient is φ = 10322764200.

The previous prime is 10323029963. The next prime is 10323030041. The reversal of 10323030031 is 13003032301.

10323030031 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 10323030031 - 231 = 8175546383 is a prime.

It is a super-2 number, since 2×103230300312 (a number of 21 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 = 10323029987 and 10323030014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10323030041) 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, 62085 + ... + 156526.

It is an arithmetic number, because the mean of its divisors is an integer number (2580823966).

Almost surely, 210323030031 is an apocalyptic number.

10323030031 is a deficient number, since it is larger than the sum of its proper divisors (265833).

10323030031 is an equidigital number, since it uses as much as digits as its factorization.

10323030031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265832.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 10323030031 its reverse (13003032301), we get a palindrome (23326062332).

The spelling of 10323030031 in words is "ten billion, three hundred twenty-three million, thirty thousand, thirty-one".

Divisors: 1 47221 218611 10323030031