Base | Representation |
---|---|
bin | 1110001100111100010011… |
… | …11111001010000100100010 |
3 | 11002120122201122020011011101 |
4 | 13012132021333022010202 |
5 | 13043142113143303010 |
6 | 150231200014105014 |
7 | 6402236562665542 |
oct | 706361177120442 |
9 | 132518648204141 |
10 | 31231022244130 |
11 | 9a51002958335 |
12 | 36049461ab16a |
13 | 14570c3b16c17 |
14 | 79d8379bb322 |
15 | 3925cd21573a |
hex | 1c6789fca122 |
31231022244130 has 32 divisors (see below), whose sum is σ = 57174684598080. Its totient is φ = 12279377023680.
The previous prime is 31231022244083. The next prime is 31231022244157. The reversal of 31231022244130 is 3144222013213.
It is a super-2 number, since 2×312310222441302 (a number of 28 digits) contains 22 as substring.
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, 2811052 + ... + 8388328.
It is an arithmetic number, because the mean of its divisors is an integer number (1786708893690).
Almost surely, 231231022244130 is an apocalyptic number.
31231022244130 is a deficient number, since it is larger than the sum of its proper divisors (25943662353950).
31231022244130 is a wasteful number, since it uses less digits than its factorization.
31231022244130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5586834.
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 31231022244130 its reverse (3144222013213), we get a palindrome (34375244257343).
The spelling of 31231022244130 in words is "thirty-one trillion, two hundred thirty-one billion, twenty-two million, two hundred forty-four thousand, one hundred thirty".
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