Search a number
-
+
801013431331 = 1922218873771
BaseRepresentation
bin10111010100000000001…
…11101111110000100011
32211120120000002101102101
423222000013233300203
5101110433414300311
61411551441431231
7111604600553221
oct13520007576043
92746500071371
10801013431331
11289787221753
1210b2a993b517
135a6c5c0a199
142aaaababb11
1515c82277ec1
hexba801efc23

801013431331 has 6 divisors (see below), whose sum is σ = 845390907132. Its totient is φ = 758854829340.

The previous prime is 801013431313. The next prime is 801013431341. The reversal of 801013431331 is 133134310108.

It is not a de Polignac number, because 801013431331 - 219 = 801012907043 is a prime.

It is a super-2 number, since 2×8010134313312 (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 801013431331.

It is not an unprimeable number, because it can be changed into a prime (801013431301) 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 5 ways as a sum of consecutive naturals, for example, 1109436525 + ... + 1109437246.

It is an arithmetic number, because the mean of its divisors is an integer number (140898484522).

Almost surely, 2801013431331 is an apocalyptic number.

801013431331 is a deficient number, since it is larger than the sum of its proper divisors (44377475801).

801013431331 is a wasteful number, since it uses less digits than its factorization.

801013431331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218873809 (or 2218873790 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 801013431331 its reverse (133134310108), we get a palindrome (934147741439).

The spelling of 801013431331 in words is "eight hundred one billion, thirteen million, four hundred thirty-one thousand, three hundred thirty-one".

Divisors: 1 19 361 2218873771 42158601649 801013431331