Base | Representation |
---|---|
bin | 11100111001100010… |
… | …001001000001011010 |
3 | 2222002112110110020202 |
4 | 130321202021001122 |
5 | 1002022141202414 |
6 | 22131025022202 |
7 | 2145644560061 |
oct | 347142110132 |
9 | 88075413222 |
10 | 31030022234 |
11 | 12183702a82 |
12 | 601ba84962 |
13 | 2c068b4403 |
14 | 170516d1d8 |
15 | c1928a9de |
hex | 73988905a |
31030022234 has 4 divisors (see below), whose sum is σ = 46545033354. Its totient is φ = 15515011116.
The previous prime is 31030022171. The next prime is 31030022263. The reversal of 31030022234 is 43222003013.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 21536443009 + 9493579225 = 146753^2 + 97435^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7757505557 + ... + 7757505560.
Almost surely, 231030022234 is an apocalyptic number.
31030022234 is a deficient number, since it is larger than the sum of its proper divisors (15515011120).
31030022234 is a wasteful number, since it uses less digits than its factorization.
31030022234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15515011119.
The product of its (nonzero) digits is 864, while the sum is 20.
Adding to 31030022234 its reverse (43222003013), we get a palindrome (74252025247).
The spelling of 31030022234 in words is "thirty-one billion, thirty million, twenty-two thousand, two hundred thirty-four".
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