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6142310231 = 31069197699
BaseRepresentation
bin1011011100001110…
…00011011101010111
3120212001211200121112
411232013003131113
5100034412411411
62453255005235
7305132530001
oct55607033527
916761750545
106142310231
1126721a0652
12123506981b
1376b7047c5
14423a95371
1525e398b8b
hex16e1c3757

6142310231 has 4 divisors (see below), whose sum is σ = 6142539000. Its totient is φ = 6142081464.

The previous prime is 6142310221. The next prime is 6142310233. The reversal of 6142310231 is 1320132416.

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 6142310231 - 214 = 6142293847 is a prime.

It is a super-2 number, since 2×61423102312 = 75455949947694546722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6142310197 and 6142310206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6142310233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67781 + ... + 129918.

It is an arithmetic number, because the mean of its divisors is an integer number (1535634750).

Almost surely, 26142310231 is an apocalyptic number.

6142310231 is a deficient number, since it is larger than the sum of its proper divisors (228769).

6142310231 is a wasteful number, since it uses less digits than its factorization.

6142310231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228768.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 6142310231 is about 78372.8921949420. The cubic root of 6142310231 is about 1831.3748644745.

Adding to 6142310231 its reverse (1320132416), we get a palindrome (7462442647).

The spelling of 6142310231 in words is "six billion, one hundred forty-two million, three hundred ten thousand, two hundred thirty-one".

Divisors: 1 31069 197699 6142310231