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231310102 = 2115655051
BaseRepresentation
bin11011100100110…
…00001100010110
3121010020202210211
431302120030112
5433203410402
634541440034
75506050322
oct1562301426
9533222724
10231310102
11109628781
126557001a
1338bca6aa
1422a12982
15154914d7
hexdc98316

231310102 has 4 divisors (see below), whose sum is σ = 346965156. Its totient is φ = 115655050.

The previous prime is 231310091. The next prime is 231310117. The reversal of 231310102 is 201013132.

231310102 is digitally balanced in base 3, 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 congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57827524 + ... + 57827527.

It is an arithmetic number, because the mean of its divisors is an integer number (86741289).

Almost surely, 2231310102 is an apocalyptic number.

231310102 is a deficient number, since it is larger than the sum of its proper divisors (115655054).

231310102 is a wasteful number, since it uses less digits than its factorization.

231310102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115655053.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 231310102 is about 15208.8823389492. The cubic root of 231310102 is about 613.8536841850.

Adding to 231310102 its reverse (201013132), we get a palindrome (432323234).

The spelling of 231310102 in words is "two hundred thirty-one million, three hundred ten thousand, one hundred two".

Divisors: 1 2 115655051 231310102