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212022302103031 = 730288900300433
BaseRepresentation
bin110000001101010101001010…
…000000000101010111110111
31000210201010121210001101021211
4300031111022000011113313
5210242233133314244111
62030533411223022251
762442051204144550
oct6015251200052767
91023633553041254
10212022302103031
1161614176144262
121b943413b9a987
13913c804286824
143a4dd11543327
15197a2bedb5521
hexc0d54a0055f7

212022302103031 has 4 divisors (see below), whose sum is σ = 242311202403472. Its totient is φ = 181733401802592.

The previous prime is 212022302103013. The next prime is 212022302103037. The reversal of 212022302103031 is 130301203220212.

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 212022302103031 - 219 = 212022301578743 is a prime.

It is a super-2 number, since 2×2120223021030312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212022302102993 and 212022302103011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022302103037) 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, 15144450150210 + ... + 15144450150223.

It is an arithmetic number, because the mean of its divisors is an integer number (60577800600868).

Almost surely, 2212022302103031 is an apocalyptic number.

212022302103031 is a deficient number, since it is larger than the sum of its proper divisors (30288900300441).

212022302103031 is an equidigital number, since it uses as much as digits as its factorization.

212022302103031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30288900300440.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212022302103031 its reverse (130301203220212), we get a palindrome (342323505323243).

The spelling of 212022302103031 in words is "two hundred twelve trillion, twenty-two billion, three hundred two million, one hundred three thousand, thirty-one".

Divisors: 1 7 30288900300433 212022302103031