Base | Representation |
---|---|
bin | 11100111001101010… |
… | …111010100001010010 |
3 | 2222002200210022010002 |
4 | 130321222322201102 |
5 | 1002023233302010 |
6 | 22131150210002 |
7 | 2146003246235 |
oct | 347152724122 |
9 | 88080708102 |
10 | 31032322130 |
11 | 12184a33a17 |
12 | 60207b3902 |
13 | 2c0720b1b4 |
14 | 17055ab41c |
15 | c195921a5 |
hex | 739aba852 |
31032322130 has 32 divisors (see below), whose sum is σ = 57202504128. Its totient is φ = 12114648000.
The previous prime is 31032322091. The next prime is 31032322151. The reversal of 31032322130 is 3122323013.
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, 527180 + ... + 583080.
It is an arithmetic number, because the mean of its divisors is an integer number (1787578254).
Almost surely, 231032322130 is an apocalyptic number.
31032322130 is a deficient number, since it is larger than the sum of its proper divisors (26170181998).
31032322130 is a wasteful number, since it uses less digits than its factorization.
31032322130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57242.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 31032322130 its reverse (3122323013), we get a palindrome (34154645143).
The spelling of 31032322130 in words is "thirty-one billion, thirty-two million, three hundred twenty-two thousand, one hundred thirty".
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