Base | Representation |
---|---|
bin | 1110000110100001010000… |
… | …11011010010111100001111 |
3 | 11001210120010001122101012020 |
4 | 13003100220123102330033 |
5 | 13031033140040334411 |
6 | 145541542101141223 |
7 | 6350265120621204 |
oct | 703205033227417 |
9 | 131716101571166 |
10 | 31010342121231 |
11 | 9976459764780 |
12 | 358a0189ba813 |
13 | 143c355250245 |
14 | 792ca1171cab |
15 | 38b9b447c606 |
hex | 1c34286d2f0f |
31010342121231 has 16 divisors (see below), whose sum is σ = 45393251242368. Its totient is φ = 18674438796000.
The previous prime is 31010342121221. The next prime is 31010342121233. The reversal of 31010342121231 is 13212124301013.
It is not a de Polignac number, because 31010342121231 - 210 = 31010342120207 is a prime.
It is a super-2 number, since 2×310103421212312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31010342121233) 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, 2992693345 + ... + 2992703706.
It is an arithmetic number, because the mean of its divisors is an integer number (2837078202648).
Almost surely, 231010342121231 is an apocalyptic number.
31010342121231 is a deficient number, since it is larger than the sum of its proper divisors (14382909121137).
31010342121231 is a wasteful number, since it uses less digits than its factorization.
31010342121231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5985397222.
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 31010342121231 its reverse (13212124301013), we get a palindrome (44222466422244).
The spelling of 31010342121231 in words is "thirty-one trillion, ten billion, three hundred forty-two million, one hundred twenty-one thousand, two hundred thirty-one".
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