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10220030131 = 17601178243
BaseRepresentation
bin10011000010010100…
…10100100010110011
3222101020210022201111
421201022110202303
5131412311431011
64410042414151
7511155552133
oct114112244263
928336708644
1010220030131
114374a389a3
121b92801357
13c6b46880c
146cd47aac3
153ec372121
hex2612948b3

10220030131 has 4 divisors (see below), whose sum is σ = 10821208392. Its totient is φ = 9618851872.

The previous prime is 10220030129. The next prime is 10220030141. The reversal of 10220030131 is 13103002201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13103002201 = 13697956633.

It is not a de Polignac number, because 10220030131 - 21 = 10220030129 is a prime.

It is a super-3 number, since 3×102200301313 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10220030141) 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, 300589105 + ... + 300589138.

It is an arithmetic number, because the mean of its divisors is an integer number (2705302098).

Almost surely, 210220030131 is an apocalyptic number.

10220030131 is a deficient number, since it is larger than the sum of its proper divisors (601178261).

10220030131 is an equidigital number, since it uses as much as digits as its factorization.

10220030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601178260.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10220030131 its reverse (13103002201), we get a palindrome (23323032332).

The spelling of 10220030131 in words is "ten billion, two hundred twenty million, thirty thousand, one hundred thirty-one".

Divisors: 1 17 601178243 10220030131