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31444010101 = 717264235379
BaseRepresentation
bin11101010010001101…
…011000010001110101
310000011101110012211201
4131102031120101311
51003344131310401
622240054132501
72162132450560
oct352215302165
9100141405751
1031444010101
1112376362209
126116651131
132c715b274a
1417441354d7
15c407b3b01
hex752358475

31444010101 has 8 divisors (see below), whose sum is σ = 38049894720. Its totient is φ = 25366596288.

The previous prime is 31444010063. The next prime is 31444010123. The reversal of 31444010101 is 10101044413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31444010101 - 27 = 31444009973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31444010701) 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 7 ways as a sum of consecutive naturals, for example, 132117571 + ... + 132117808.

It is an arithmetic number, because the mean of its divisors is an integer number (4756236840).

Almost surely, 231444010101 is an apocalyptic number.

It is an amenable number.

31444010101 is a deficient number, since it is larger than the sum of its proper divisors (6605884619).

31444010101 is a wasteful number, since it uses less digits than its factorization.

31444010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264235403.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 31444010101 its reverse (10101044413), we get a palindrome (41545054514).

The spelling of 31444010101 in words is "thirty-one billion, four hundred forty-four million, ten thousand, one hundred one".

Divisors: 1 7 17 119 264235379 1849647653 4492001443 31444010101