Search a number
-
+
31413211142 = 24334710211031
BaseRepresentation
bin11101010000010111…
…111001000000000110
310000002020111110121112
4131100113321000012
51003313240224032
622233034045022
72161306613645
oct352027710006
9100066443545
1031413211142
111235aa36525
126108279772
132c680bac01
14173ddd935c
15c3cc2d1b2
hex7505f9006

31413211142 has 32 divisors (see below), whose sum is σ = 48448882944. Its totient is φ = 15267319200.

The previous prime is 31413211129. The next prime is 31413211169. The reversal of 31413211142 is 24111231413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30468167 + ... + 30469197.

It is an arithmetic number, because the mean of its divisors is an integer number (1514027592).

Almost surely, 231413211142 is an apocalyptic number.

31413211142 is a deficient number, since it is larger than the sum of its proper divisors (17035671802).

31413211142 is a wasteful number, since it uses less digits than its factorization.

31413211142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444.

The product of its digits is 576, while the sum is 23.

Adding to 31413211142 its reverse (24111231413), we get a palindrome (55524442555).

The spelling of 31413211142 in words is "thirty-one billion, four hundred thirteen million, two hundred eleven thousand, one hundred forty-two".

Divisors: 1 2 43 86 347 694 1021 1031 2042 2062 14921 29842 43903 44333 87806 88666 354287 357757 708574 715514 1052651 2105302 15234341 15383551 30468682 30767102 45263993 90527986 365269897 730539794 15706605571 31413211142