Search a number
-
+
31222679342 = 2106303146857
BaseRepresentation
bin11101000101000001…
…000100011100101110
32222120221222110010012
4131011001010130232
51002421001214332
622202110213222
72153504252441
oct350501043456
988527873105
1031222679342
1112272430128
1260744b4212
132c3779a3ba
14172299d658
15c2b1443b2
hex74504472e

31222679342 has 8 divisors (see below), whose sum is σ = 46834778496. Its totient is φ = 15611086512.

The previous prime is 31222679329. The next prime is 31222679357. The reversal of 31222679342 is 24397622213.

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

It is a self number, because there is not a number n which added to its sum of digits gives 31222679342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139178 + ... + 286034.

It is an arithmetic number, because the mean of its divisors is an integer number (5854347312).

Almost surely, 231222679342 is an apocalyptic number.

31222679342 is a deficient number, since it is larger than the sum of its proper divisors (15612099154).

31222679342 is a wasteful number, since it uses less digits than its factorization.

31222679342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253162.

The product of its digits is 217728, while the sum is 41.

The spelling of 31222679342 in words is "thirty-one billion, two hundred twenty-two million, six hundred seventy-nine thousand, three hundred forty-two".

Divisors: 1 2 106303 146857 212606 293714 15611339671 31222679342