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10231311001 = 97105477433
BaseRepresentation
bin10011000011101010…
…10110101010011001
3222102001000110011111
421201311112222121
5131423203423001
64411124300321
7511353465022
oct114165265231
928361013144
1010231311001
11438034342a
121b965416a1
13c708b83a2
146d0b75c49
153ed34e851
hex261d56a99

10231311001 has 4 divisors (see below), whose sum is σ = 10336788532. Its totient is φ = 10125833472.

The previous prime is 10231310989. The next prime is 10231311017. The reversal of 10231311001 is 10011313201.

10231311001 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 can be written as a sum of positive squares in 2 ways, for example, as 3107951001 + 7123360000 = 55749^2 + 84400^2 .

It is a cyclic number.

It is not a de Polignac number, because 10231311001 - 29 = 10231310489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10231311091) 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, 52738620 + ... + 52738813.

It is an arithmetic number, because the mean of its divisors is an integer number (2584197133).

Almost surely, 210231311001 is an apocalyptic number.

It is an amenable number.

10231311001 is a deficient number, since it is larger than the sum of its proper divisors (105477531).

10231311001 is an equidigital number, since it uses as much as digits as its factorization.

10231311001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105477530.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 10231311001 its reverse (10011313201), we get a palindrome (20242624202).

The spelling of 10231311001 in words is "ten billion, two hundred thirty-one million, three hundred eleven thousand, one".

Divisors: 1 97 105477433 10231311001