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10211003031 = 38094207253
BaseRepresentation
bin10011000001001111…
…11000101010010111
3222100121210200212110
421200213320222113
5131403004044111
64405121122103
7511016044065
oct114047705227
928317720773
1010211003031
11436a932789
121b8b789333
13c69627a38
146cc1ab035
153eb68c5a6
hex2609f8a97

10211003031 has 8 divisors (see below), whose sum is σ = 13631502960. Its totient is φ = 6798919232.

The previous prime is 10211003017. The next prime is 10211003051. The reversal of 10211003031 is 13030011201.

10211003031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10211003031 - 25 = 10211002999 is a prime.

It is a super-2 number, since 2×102110030312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10211002998 and 10211003016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211003051) 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 7 ways as a sum of consecutive naturals, for example, 2101200 + ... + 2106053.

It is an arithmetic number, because the mean of its divisors is an integer number (1703937870).

Almost surely, 210211003031 is an apocalyptic number.

10211003031 is a deficient number, since it is larger than the sum of its proper divisors (3420499929).

10211003031 is an equidigital number, since it uses as much as digits as its factorization.

10211003031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208065.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 10211003031 its reverse (13030011201), we get a palindrome (23241014232).

The spelling of 10211003031 in words is "ten billion, two hundred eleven million, three thousand, thirty-one".

Divisors: 1 3 809 2427 4207253 12621759 3403667677 10211003031