Base | Representation |
---|---|
bin | 11101001011000111… |
… | …110100111100001101 |
3 | 2222212002201200020001 |
4 | 131023013310330031 |
5 | 1003123212123000 |
6 | 22220205524301 |
7 | 2156160035224 |
oct | 351307647415 |
9 | 88762650201 |
10 | 31325114125 |
11 | 12315234978 |
12 | 60a2873691 |
13 | 2c52a841b6 |
14 | 1732425cbb |
15 | c3512a46a |
hex | 74b1f4f0d |
31325114125 has 8 divisors (see below), whose sum is σ = 39093742584. Its totient is φ = 25060091200.
The previous prime is 31325114071. The next prime is 31325114129. The reversal of 31325114125 is 52141152313.
It can be written as a sum of positive squares in 4 ways, for example, as 214856964 + 31110257161 = 14658^2 + 176381^2 .
It is not a de Polignac number, because 31325114125 - 221 = 31323016973 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31325114093 and 31325114102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31325114129) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125300332 + ... + 125300581.
It is an arithmetic number, because the mean of its divisors is an integer number (4886717823).
Almost surely, 231325114125 is an apocalyptic number.
It is an amenable number.
31325114125 is a deficient number, since it is larger than the sum of its proper divisors (7768628459).
31325114125 is an equidigital number, since it uses as much as digits as its factorization.
31325114125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250600928 (or 250600918 counting only the distinct ones).
The product of its digits is 3600, while the sum is 28.
Adding to 31325114125 its reverse (52141152313), we get a palindrome (83466266438).
The spelling of 31325114125 in words is "thirty-one billion, three hundred twenty-five million, one hundred fourteen thousand, one hundred twenty-five".
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