Base | Representation |
---|---|
bin | 1011111110001000… |
… | …1111000110110111 |
3 | 22021221121210200211 |
4 | 2333202033012313 |
5 | 23040114014111 |
6 | 1250510450251 |
7 | 142426434160 |
oct | 27742170667 |
9 | 8257553624 |
10 | 3213423031 |
11 | 13a9991315 |
12 | 758203987 |
13 | 3c298b460 |
14 | 226ac0767 |
15 | 13c1a0521 |
hex | bf88f1b7 |
3213423031 has 8 divisors (see below), whose sum is σ = 3954982304. Its totient is φ = 2542488480.
The previous prime is 3213423029. The next prime is 3213423061. The reversal of 3213423031 is 1303243123.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3213423031 - 21 = 3213423029 is a prime.
It is a super-2 number, since 2×32134230312 = 20652175152322453922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 3213422993 and 3213423011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3213423061) 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, 17656080 + ... + 17656261.
It is an arithmetic number, because the mean of its divisors is an integer number (494372788).
Almost surely, 23213423031 is an apocalyptic number.
3213423031 is a deficient number, since it is larger than the sum of its proper divisors (741559273).
3213423031 is a wasteful number, since it uses less digits than its factorization.
3213423031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35312361.
The product of its (nonzero) digits is 1296, while the sum is 22.
The square root of 3213423031 is about 56687.0622893796. The cubic root of 3213423031 is about 1475.6701780348.
Adding to 3213423031 its reverse (1303243123), we get a palindrome (4516666154).
The spelling of 3213423031 in words is "three billion, two hundred thirteen million, four hundred twenty-three thousand, thirty-one".
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