Search a number
-
+
2031222223011 = 37915315598013
BaseRepresentation
bin11101100011101110010…
…001110111000010100011
321012011221100222010010010
4131203232101313002203
5231234420342114021
64153044113340003
7266515403010222
oct35435621670243
97164840863103
102031222223011
11713488a9a083
122897b8267603
1311970ac01b47
1470451370cb9
1537c84081976
hex1d8ee4770a3

2031222223011 has 16 divisors (see below), whose sum is σ = 2744370383360. Its totient is φ = 1336133504160.

The previous prime is 2031222222977. The next prime is 2031222223057. The reversal of 2031222223011 is 1103222221302.

It is a de Polignac number, because none of the positive numbers 2k-2031222223011 is a prime.

It is a super-2 number, since 2×20312222230112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031222223211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2436160 + ... + 3161853.

It is an arithmetic number, because the mean of its divisors is an integer number (171523148960).

Almost surely, 22031222223011 is an apocalyptic number.

2031222223011 is a deficient number, since it is larger than the sum of its proper divisors (713148160349).

2031222223011 is a wasteful number, since it uses less digits than its factorization.

2031222223011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599626.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2031222223011 its reverse (1103222221302), we get a palindrome (3134444444313).

The spelling of 2031222223011 in words is "two trillion, thirty-one billion, two hundred twenty-two million, two hundred twenty-three thousand, eleven".

Divisors: 1 3 79 237 1531 4593 120949 362847 5598013 16794039 442243027 1326729081 8570557903 25711673709 677074074337 2031222223011