Search a number
-
+
22313002031 = 35962153209
BaseRepresentation
bin10100110001111101…
…010110010000101111
32010121000211221112122
4110301331112100233
5331144112031111
614130033023155
71416636250025
oct246175262057
963530757478
1022313002031
119510120751
1243a86b4abb
132147952ba8
14111957a715
158a8d59cdb
hex531f5642f

22313002031 has 4 divisors (see below), whose sum is σ = 22375155600. Its totient is φ = 22250848464.

The previous prime is 22313001923. The next prime is 22313002039. The reversal of 22313002031 is 13020031322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13020031322 = 26510015661.

It is a cyclic number.

It is not a de Polignac number, because 22313002031 - 214 = 22312985647 is a prime.

It is a super-3 number, since 3×223130020313 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22313002039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31076246 + ... + 31076963.

It is an arithmetic number, because the mean of its divisors is an integer number (5593788900).

Almost surely, 222313002031 is an apocalyptic number.

22313002031 is a deficient number, since it is larger than the sum of its proper divisors (62153569).

22313002031 is an equidigital number, since it uses as much as digits as its factorization.

22313002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62153568.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 22313002031 its reverse (13020031322), we get a palindrome (35333033353).

The spelling of 22313002031 in words is "twenty-two billion, three hundred thirteen million, two thousand, thirty-one".

Divisors: 1 359 62153209 22313002031