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3213131422 = 21739286507
BaseRepresentation
bin1011111110000100…
…0111111010011110
322021221001222200111
42333201013322132
523040030201142
61250500320234
7142424111044
oct27741077236
98257058614
103213131422
1113a9802216
127580a307a
133c28b87c7
14226a46394
1513c143e17
hexbf847e9e

3213131422 has 8 divisors (see below), whose sum is σ = 4847557176. Its totient is φ = 1597279032.

The previous prime is 3213131407. The next prime is 3213131423. The reversal of 3213131422 is 2241313123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3213131393 and 3213131402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213131423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4642908 + ... + 4643599.

It is an arithmetic number, because the mean of its divisors is an integer number (605944647).

Almost surely, 23213131422 is an apocalyptic number.

3213131422 is a deficient number, since it is larger than the sum of its proper divisors (1634425754).

3213131422 is a wasteful number, since it uses less digits than its factorization.

3213131422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9286682.

The product of its digits is 864, while the sum is 22.

The square root of 3213131422 is about 56684.4901361916. The cubic root of 3213131422 is about 1475.6255390607.

Adding to 3213131422 its reverse (2241313123), we get a palindrome (5454444545).

The spelling of 3213131422 in words is "three billion, two hundred thirteen million, one hundred thirty-one thousand, four hundred twenty-two".

Divisors: 1 2 173 346 9286507 18573014 1606565711 3213131422