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321111440413 = 1930835481869
BaseRepresentation
bin1001010110000111011…
…10111011110000011101
31010200211210211022121121
410223003232323300131
520230114012043123
6403303324330541
732125304131321
oct4530356736035
91120753738547
10321111440413
11114201044a15
12522976a3a51
132438586159a
1411782ca3981
158545cc075d
hex4ac3bbbc1d

321111440413 has 8 divisors (see below), whose sum is σ = 338121741600. Its totient is φ = 304112109168.

The previous prime is 321111440371. The next prime is 321111440449. The reversal of 321111440413 is 314044111123.

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 321111440413 - 229 = 320574569501 is a prime.

It is a super-2 number, since 2×3211114404132 (a number of 24 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 (321111470413) 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, 2682358 + ... + 2799511.

It is an arithmetic number, because the mean of its divisors is an integer number (42265217700).

Almost surely, 2321111440413 is an apocalyptic number.

It is an amenable number.

321111440413 is a deficient number, since it is larger than the sum of its proper divisors (17010301187).

321111440413 is a wasteful number, since it uses less digits than its factorization.

321111440413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5484971.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 321111440413 its reverse (314044111123), we get a palindrome (635155551536).

The spelling of 321111440413 in words is "three hundred twenty-one billion, one hundred eleven million, four hundred forty thousand, four hundred thirteen".

Divisors: 1 19 3083 58577 5481869 104155511 16900602127 321111440413