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22302030431 = 1723538111327
BaseRepresentation
bin10100110001010011…
…011111101001011111
32010120021012112100002
4110301103133221133
5331133304433211
614125001524515
71416444062612
oct246123375137
963507175302
1022302030431
119504a0760a
1243a4aa373b
1321455b1015
141117d22179
158a7dde03b
hex5314dfa5f

22302030431 has 32 divisors (see below), whose sum is σ = 25155422208. Its totient is φ = 19659594240.

The previous prime is 22302030427. The next prime is 22302030469. The reversal of 22302030431 is 13403020322.

It is not a de Polignac number, because 22302030431 - 22 = 22302030427 is a prime.

It is a super-2 number, since 2×223020304312 (a number of 21 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 (22302030481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16805690 + ... + 16807016.

It is an arithmetic number, because the mean of its divisors is an integer number (786106944).

Almost surely, 222302030431 is an apocalyptic number.

22302030431 is a deficient number, since it is larger than the sum of its proper divisors (2853391777).

22302030431 is a wasteful number, since it uses less digits than its factorization.

22302030431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22302030431 its reverse (13403020322), we get a palindrome (35705050753).

The spelling of 22302030431 in words is "twenty-two billion, three hundred two million, thirty thousand, four hundred thirty-one".

Divisors: 1 17 23 53 391 811 901 1219 1327 13787 18653 20723 22559 30521 42983 70331 317101 518857 730711 988609 1076197 1195627 1617613 16806353 18295349 24752531 27499421 57038441 420793027 969653497 1311884143 22302030431