Search a number
-
+
10031312219 = 19598948539
BaseRepresentation
bin10010101011110100…
…11010110101011011
3221220002200110102012
421111322122311123
5131021003442334
64335221500135
7503404514135
oct112572326533
927802613365
1010031312219
114288461385
121b3b57164b
13c3b331806
146b2394055
153da9e59ce
hex255e9ad5b

10031312219 has 8 divisors (see below), whose sum is σ = 10738248000. Its totient is φ = 9342273672.

The previous prime is 10031312089. The next prime is 10031312231. The reversal of 10031312219 is 91221313001.

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 10031312219 - 220 = 10030263643 is a prime.

It is a super-2 number, since 2×100313122192 (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 = 10031312194 and 10031312203.

It is not an unprimeable number, because it can be changed into a prime (10031315219) 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, 4473149 + ... + 4475390.

It is an arithmetic number, because the mean of its divisors is an integer number (1342281000).

Almost surely, 210031312219 is an apocalyptic number.

10031312219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10031312219 is a deficient number, since it is larger than the sum of its proper divisors (706935781).

10031312219 is an equidigital number, since it uses as much as digits as its factorization.

10031312219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8948617.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 10031312219 in words is "ten billion, thirty-one million, three hundred twelve thousand, two hundred nineteen".

Divisors: 1 19 59 1121 8948539 170022241 527963801 10031312219