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31442124301 = 730735594111
BaseRepresentation
bin11101010010000110…
…001011111000001101
310000011020220102000021
4131102012023320031
51003343140434201
622235545502141
72162110434610
oct352206137015
9100136812007
1031442124301
11123752943a5
126115aa1951
132c710a22a3
141743ba4177
15c4053eea1
hex75218be0d

31442124301 has 16 divisors (see below), whose sum is σ = 36069806080. Its totient is φ = 26848525680.

The previous prime is 31442124281. The next prime is 31442124317. The reversal of 31442124301 is 10342124413.

It is a cyclic number.

It is not a de Polignac number, because 31442124301 - 25 = 31442124269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31442124001) 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 15 ways as a sum of consecutive naturals, for example, 7646236 + ... + 7650346.

It is an arithmetic number, because the mean of its divisors is an integer number (2254362880).

Almost surely, 231442124301 is an apocalyptic number.

It is an amenable number.

31442124301 is a deficient number, since it is larger than the sum of its proper divisors (4627681779).

31442124301 is a wasteful number, since it uses less digits than its factorization.

31442124301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7984.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 31442124301 its reverse (10342124413), we get a palindrome (41784248714).

The spelling of 31442124301 in words is "thirty-one billion, four hundred forty-two million, one hundred twenty-four thousand, three hundred one".

Divisors: 1 7 307 2149 3559 4111 24913 28777 1092613 1262077 7648291 8834539 14631049 102417343 4491732043 31442124301