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13310313031 = 89233641863
BaseRepresentation
bin11000110010101101…
…10100001001000111
31021100121200221220201
430121112310021013
5204224420004111
610040434111331
7650561536231
oct143126641107
937317627821
1013310313031
115710363204
1226b571b547
131341770992
14903a65251
1552d7eb6c1
hex3195b4247

13310313031 has 8 divisors (see below), whose sum is σ = 13517655840. Its totient is φ = 13104254592.

The previous prime is 13310313017. The next prime is 13310313059. The reversal of 13310313031 is 13031301331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13310313031 - 25 = 13310312999 is a prime.

It is a super-2 number, since 2×133103130312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13310413031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300195 + ... + 341668.

It is an arithmetic number, because the mean of its divisors is an integer number (1689706980).

Almost surely, 213310313031 is an apocalyptic number.

13310313031 is a deficient number, since it is larger than the sum of its proper divisors (207342809).

13310313031 is an equidigital number, since it uses as much as digits as its factorization.

13310313031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642185.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 13310313031 its reverse (13031301331), we get a palindrome (26341614362).

The spelling of 13310313031 in words is "thirteen billion, three hundred ten million, three hundred thirteen thousand, thirty-one".

Divisors: 1 89 233 20737 641863 57125807 149554079 13310313031