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222031021031 = 3143166564907
BaseRepresentation
bin1100111011001000010…
…1001000001111100111
3210020002201112111211022
43032302011020033213
512114204420133111
6245555531201355
722020064353011
oct3166205101747
9706081474738
10222031021031
11861877a53a6
12370458a625b
1317c25712ab1
14aa640191b1
155b9767e2db
hex33b21483e7

222031021031 has 8 divisors (see below), whose sum is σ = 234523390464. Its totient is φ = 209871781560.

The previous prime is 222031021027. The next prime is 222031021039. The reversal of 222031021031 is 130120130222.

222031021031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 222031021031 - 22 = 222031021027 is a prime.

It is a super-2 number, since 2×2220310210312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222031021039) 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 7 ways as a sum of consecutive naturals, for example, 83281121 + ... + 83283786.

It is an arithmetic number, because the mean of its divisors is an integer number (29315423808).

Almost surely, 2222031021031 is an apocalyptic number.

222031021031 is a deficient number, since it is larger than the sum of its proper divisors (12492369433).

222031021031 is a wasteful number, since it uses less digits than its factorization.

222031021031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166564981.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 222031021031 its reverse (130120130222), we get a palindrome (352151151253).

The spelling of 222031021031 in words is "two hundred twenty-two billion, thirty-one million, twenty-one thousand, thirty-one".

Divisors: 1 31 43 1333 166564907 5163512117 7162291001 222031021031