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3103331431240 = 2351720172262629
BaseRepresentation
bin101101001010001100111…
…101111011001101001000
3101222200020111120212020001
4231022030331323031020
5401321110321244430
610333352322412344
7440131305634105
oct55121475731510
911880214525201
103103331431240
11a9712a764437
124215435010b4
131968485a8221
14aa2b8595aac
1555ad118e3ca
hex2d28cf7b348

3103331431240 has 64 divisors (see below), whose sum is σ = 7396899490800. Its totient is φ = 1167733260288.

The previous prime is 3103331431231. The next prime is 3103331431241. The reversal of 3103331431240 is 421341333013.

It can be written as a sum of positive squares in 8 ways, for example, as 2401117598916 + 702213832324 = 1549554^2 + 837982^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3103331431199 and 3103331431208.

It is not an unprimeable number, because it can be changed into a prime (3103331431241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240246 + ... + 2502874.

Almost surely, 23103331431240 is an apocalyptic number.

It is an amenable number.

3103331431240 is an abundant number, since it is smaller than the sum of its proper divisors (4293568059560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3103331431240 is a wasteful number, since it uses less digits than its factorization.

3103331431240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264674 (or 2264670 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 3103331431240 its reverse (421341333013), we get a palindrome (3524672764253).

The spelling of 3103331431240 in words is "three trillion, one hundred three billion, three hundred thirty-one million, four hundred thirty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 2017 4034 8068 10085 16136 20170 34289 40340 68578 80680 137156 171445 274312 342890 685780 1371560 2262629 4525258 9050516 11313145 18101032 22626290 38464693 45252580 76929386 90505160 153858772 192323465 307717544 384646930 769293860 1538587720 4563722693 9127445386 18254890772 22818613465 36509781544 45637226930 77583285781 91274453860 155166571562 182548907720 310333143124 387916428905 620666286248 775832857810 1551665715620 3103331431240