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31022233105012 = 2219014079725553
BaseRepresentation
bin1110000110110111011010…
…01011110011001001110100
311001211200210202121221101221
413003123231023303021310
513031232013133330022
6145551230034200124
76351165566411332
oct703335513631164
9131750722557357
1031022233105012
1199805009268a6
123590397123044
1314404cb935416
147936ac4d2b52
1538be5d366cc7
hex1c36ed2f3274

31022233105012 has 12 divisors (see below), whose sum is σ = 54317466025956. Its totient is φ = 15502957097600.

The previous prime is 31022233104983. The next prime is 31022233105013. The reversal of 31022233105012 is 21050133222013.

It can be written as a sum of positive squares in 2 ways, for example, as 3674290920336 + 27347942184676 = 1916844^2 + 5229526^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31022233105013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2039855173 + ... + 2039870380.

It is an arithmetic number, because the mean of its divisors is an integer number (4526455502163).

Almost surely, 231022233105012 is an apocalyptic number.

It is an amenable number.

31022233105012 is a deficient number, since it is larger than the sum of its proper divisors (23295232920944).

31022233105012 is a wasteful number, since it uses less digits than its factorization.

31022233105012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4079727458 (or 4079727456 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 31022233105012 its reverse (21050133222013), we get a palindrome (52072366327025).

The spelling of 31022233105012 in words is "thirty-one trillion, twenty-two billion, two hundred thirty-three million, one hundred five thousand, twelve".

Divisors: 1 2 4 1901 3802 7604 4079725553 8159451106 16318902212 7755558276253 15511116552506 31022233105012