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10031031311 = 79767146719
BaseRepresentation
bin10010101011110010…
…10110010000001111
3221220002011012002012
421111321112100033
5131020421000221
64335211451435
7503402234150
oct112571262017
927802135065
1010031031311
11428828a324
121b3b456b7b
13c3b2639b2
146b231d927
153da98c65b
hex255e5640f

10031031311 has 8 divisors (see below), whose sum is σ = 11465287680. Its totient is φ = 8597087928.

The previous prime is 10031031293. The next prime is 10031031337. The reversal of 10031031311 is 11313013001.

It is a happy number.

10031031311 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 10031031311 - 210 = 10031030287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031031391) 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, 4991 + ... + 141728.

It is an arithmetic number, because the mean of its divisors is an integer number (1433160960).

Almost surely, 210031031311 is an apocalyptic number.

10031031311 is a deficient number, since it is larger than the sum of its proper divisors (1434256369).

10031031311 is an equidigital number, since it uses as much as digits as its factorization.

10031031311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156493.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 10031031311 its reverse (11313013001), we get a palindrome (21344044312).

The spelling of 10031031311 in words is "ten billion, thirty-one million, thirty-one thousand, three hundred eleven".

Divisors: 1 7 9767 68369 146719 1027033 1433004473 10031031311