Search a number
-
+
1321411303 = 29371231511
BaseRepresentation
bin100111011000011…
…0010001011100111
310102002110122112101
41032300302023213
510201240130203
6335042232531
744513545042
oct11660621347
93362418471
101321411303
116189a1963
1230a655747
131809c38a4
14c76d5c59
157b01e41d
hex4ec322e7

1321411303 has 8 divisors (see below), whose sum is σ = 1403923680. Its totient is φ = 1241362080.

The previous prime is 1321411243. The next prime is 1321411307. The reversal of 1321411303 is 3031141231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1321411303 is a prime.

It is a super-2 number, since 2×13214113032 = 3492255663392315618, which 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 (1321411307) 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, 614683 + ... + 616828.

It is an arithmetic number, because the mean of its divisors is an integer number (175490460).

Almost surely, 21321411303 is an apocalyptic number.

1321411303 is a deficient number, since it is larger than the sum of its proper divisors (82512377).

1321411303 is a wasteful number, since it uses less digits than its factorization.

1321411303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231577.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1321411303 is about 36351.2214787894. The cubic root of 1321411303 is about 1097.3521168939.

Adding to 1321411303 its reverse (3031141231), we get a palindrome (4352552534).

The spelling of 1321411303 in words is "one billion, three hundred twenty-one million, four hundred eleven thousand, three hundred three".

Divisors: 1 29 37 1073 1231511 35713819 45565907 1321411303