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1030220131211 = 1954222112169
BaseRepresentation
bin11101111110111011110…
…01111010101110001011
310122111011210221011002222
432333131321322232023
5113334342323144321
62105135424444255
7134300546425565
oct16773571725613
93574153834088
101030220131211
11367a06451847
121477b677968b
13761c3145c9b
1437c11bd4335
151bbe98743ab
hexefdde7ab8b

1030220131211 has 4 divisors (see below), whose sum is σ = 1084442243400. Its totient is φ = 975998019024.

The previous prime is 1030220131207. The next prime is 1030220131273. The reversal of 1030220131211 is 1121310220301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1030220131211 - 22 = 1030220131207 is a prime.

It is a super-2 number, since 2×10302201312112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1030220131211.

It is not an unprimeable number, because it can be changed into a prime (1030220431211) 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, 27111056066 + ... + 27111056103.

It is an arithmetic number, because the mean of its divisors is an integer number (271110560850).

Almost surely, 21030220131211 is an apocalyptic number.

1030220131211 is a deficient number, since it is larger than the sum of its proper divisors (54222112189).

1030220131211 is an equidigital number, since it uses as much as digits as its factorization.

1030220131211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54222112188.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1030220131211 its reverse (1121310220301), we get a palindrome (2151530351512).

The spelling of 1030220131211 in words is "one trillion, thirty billion, two hundred twenty million, one hundred thirty-one thousand, two hundred eleven".

Divisors: 1 19 54222112169 1030220131211