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1340313311 = 4397321341
BaseRepresentation
bin100111111100011…
…1000111011011111
310110102000222012202
41033320320323133
510221110011221
6340555322115
745133321661
oct11770707337
93412028182
101340313311
11628632257
12314a5033b
131848b12cc
14ca016531
157ca04d0b
hex4fe38edf

1340313311 has 8 divisors (see below), whose sum is σ = 1385626704. Its totient is φ = 1295642880.

The previous prime is 1340313301. The next prime is 1340313323. The reversal of 1340313311 is 1133130431.

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 1340313311 - 214 = 1340296927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340313301) 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, 156500 + ... + 164841.

It is an arithmetic number, because the mean of its divisors is an integer number (173203338).

Almost surely, 21340313311 is an apocalyptic number.

1340313311 is a deficient number, since it is larger than the sum of its proper divisors (45313393).

1340313311 is an equidigital number, since it uses as much as digits as its factorization.

1340313311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321481.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1340313311 is about 36610.2896874636. The cubic root of 1340313311 is about 1102.5596894204.

Adding to 1340313311 its reverse (1133130431), we get a palindrome (2473443742).

The spelling of 1340313311 in words is "one billion, three hundred forty million, three hundred thirteen thousand, three hundred eleven".

Divisors: 1 43 97 4171 321341 13817663 31170077 1340313311