Search a number
-
+
31144141130330 = 2511327561186841
BaseRepresentation
bin1110001010011010011110…
…11110000000101001011010
311002021100110202002021120202
413011031033132000221122
513040231200112132310
6150123230530222202
76363042564466634
oct705151736005132
9132240422067522
1031144141130330
119a18179818648
1235abb39a24962
13144bb59203147
14799554dd1a54
153901e5ab33a5
hex1c534f780a5a

31144141130330 has 16 divisors (see below), whose sum is σ = 56555555399784. Its totient is φ = 12347411704320.

The previous prime is 31144141130309. The next prime is 31144141130357. The reversal of 31144141130330 is 3303114144113.

It can be written as a sum of positive squares in 4 ways, for example, as 9469092141721 + 21675048988609 = 3077189^2 + 4655647^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31144141130293 and 31144141130302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13780592291 + ... + 13780594550.

Almost surely, 231144141130330 is an apocalyptic number.

31144141130330 is a deficient number, since it is larger than the sum of its proper divisors (25411414269454).

31144141130330 is a wasteful number, since it uses less digits than its factorization.

31144141130330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27561186961.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 31144141130330 its reverse (3303114144113), we get a palindrome (34447255274443).

The spelling of 31144141130330 in words is "thirty-one trillion, one hundred forty-four billion, one hundred forty-one million, one hundred thirty thousand, three hundred thirty".

Divisors: 1 2 5 10 113 226 565 1130 27561186841 55122373682 137805934205 275611868410 3114414113033 6228828226066 15572070565165 31144141130330