Search a number
-
+
2220013213031 = 3121711314711
BaseRepresentation
bin100000010011100011000…
…110010101010101100111
321212020020112112002120202
4200103203012111111213
5242333041340304111
64415505431421115
7316250665646645
oct40234306252547
97766215462522
102220013213031
11786558646169
122ba305b2479b
13131466c06323
14796408d6195
153cb3342cb3b
hex204e3195567

2220013213031 has 4 divisors (see below), whose sum is σ = 2220724530864. Its totient is φ = 2219301895200.

The previous prime is 2220013213009. The next prime is 2220013213039. The reversal of 2220013213031 is 1303123100222.

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 2220013213031 - 230 = 2218939471207 is a prime.

It is a super-2 number, since 2×22200132130312 (a number of 25 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 = 2220013212994 and 2220013213012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220013213039) 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 3 ways as a sum of consecutive naturals, for example, 355654235 + ... + 355660476.

It is an arithmetic number, because the mean of its divisors is an integer number (555181132716).

Almost surely, 22220013213031 is an apocalyptic number.

2220013213031 is a deficient number, since it is larger than the sum of its proper divisors (711317833).

2220013213031 is an equidigital number, since it uses as much as digits as its factorization.

2220013213031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711317832.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2220013213031 its reverse (1303123100222), we get a palindrome (3523136313253).

The spelling of 2220013213031 in words is "two trillion, two hundred twenty billion, thirteen million, two hundred thirteen thousand, thirty-one".

Divisors: 1 3121 711314711 2220013213031