Base | Representation |
---|---|
bin | 1110000111001000010100… |
… | …10111010111001111001111 |
3 | 11001212120020112022121002220 |
4 | 13003210022113113033033 |
5 | 13031404112012012010 |
6 | 145555331015350423 |
7 | 6351636566055156 |
oct | 703441227271717 |
9 | 131776215277086 |
10 | 31031312610255 |
11 | 998433aa90541 |
12 | 35920ab982413 |
13 | 1441317a01829 |
14 | 793cd02c259d |
15 | 38c2e04ea970 |
hex | 1c390a5d73cf |
31031312610255 has 32 divisors (see below), whose sum is σ = 52760480324544. Its totient is φ = 15520269121536.
The previous prime is 31031312610241. The next prime is 31031312610307. The reversal of 31031312610255 is 55201621313013.
It is not a de Polignac number, because 31031312610255 - 26 = 31031312610191 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219588972 + ... + 219730241.
It is an arithmetic number, because the mean of its divisors is an integer number (1648765010142).
Almost surely, 231031312610255 is an apocalyptic number.
31031312610255 is a deficient number, since it is larger than the sum of its proper divisors (21729167714289).
31031312610255 is a wasteful number, since it uses less digits than its factorization.
31031312610255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 439319515.
The product of its (nonzero) digits is 16200, while the sum is 33.
Adding to 31031312610255 its reverse (55201621313013), we get a palindrome (86232933923268).
The spelling of 31031312610255 in words is "thirty-one trillion, thirty-one billion, three hundred twelve million, six hundred ten thousand, two hundred fifty-five".
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