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10232111231 = 15765172683
BaseRepresentation
bin10011000011110000…
…11010000001111111
3222102002112002212122
421201320122001333
5131423410024411
64411153353155
7511363340036
oct114170320177
928362462778
1010232111231
11438083a681
121b968687bb
13c70b086b4
146d0d0371d
153ed45b9db
hex261e1a07f

10232111231 has 4 divisors (see below), whose sum is σ = 10297284072. Its totient is φ = 10166938392.

The previous prime is 10232111207. The next prime is 10232111243. The reversal of 10232111231 is 13211123201.

10232111231 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 10232111231 - 222 = 10227916927 is a prime.

It is a super-2 number, since 2×102321112312 (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 (10232111531) 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, 32586185 + ... + 32586498.

It is an arithmetic number, because the mean of its divisors is an integer number (2574321018).

Almost surely, 210232111231 is an apocalyptic number.

10232111231 is a deficient number, since it is larger than the sum of its proper divisors (65172841).

10232111231 is an equidigital number, since it uses as much as digits as its factorization.

10232111231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65172840.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10232111231 its reverse (13211123201), we get a palindrome (23443234432).

The spelling of 10232111231 in words is "ten billion, two hundred thirty-two million, one hundred eleven thousand, two hundred thirty-one".

Divisors: 1 157 65172683 10232111231