Search a number
-
+
13313223031 = 191045367033
BaseRepresentation
bin11000110011000011…
…11010100101110111
31021100211011210200111
430121201322211313
5204231141114111
610041020323451
7650625346213
oct143141724567
937324153614
1013313223031
115711a70569
1226b66a3587
13134224c384
149041c1943
1552dbc3a21
hex31987a977

13313223031 has 8 divisors (see below), whose sum is σ = 14015468720. Its totient is φ = 12611132352.

The previous prime is 13313223023. The next prime is 13313223047. The reversal of 13313223031 is 13032231331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13313223031 - 23 = 13313223023 is a prime.

It is a super-2 number, since 2×133132230312 (a number of 21 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 = 13313222993 and 13313223011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313223631) 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 7 ways as a sum of consecutive naturals, for example, 165091 + ... + 232123.

It is an arithmetic number, because the mean of its divisors is an integer number (1751933590).

Almost surely, 213313223031 is an apocalyptic number.

13313223031 is a deficient number, since it is larger than the sum of its proper divisors (702245689).

13313223031 is a wasteful number, since it uses less digits than its factorization.

13313223031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77505.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13313223031 its reverse (13032231331), we get a palindrome (26345454362).

The spelling of 13313223031 in words is "thirteen billion, three hundred thirteen million, two hundred twenty-three thousand, thirty-one".

Divisors: 1 19 10453 67033 198607 1273627 700695949 13313223031