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1303131301 = 1699766999
BaseRepresentation
bin100110110101100…
…0011010010100101
310100211001221002021
41031223003102211
510132100200201
6333150343141
744202301423
oct11553032245
93324057067
101303131301
1160964691a
123044baab1
13179c93314
14c50d8113
157960cea1
hex4dac34a5

1303131301 has 4 divisors (see below), whose sum is σ = 1303900000. Its totient is φ = 1302362604.

The previous prime is 1303131281. The next prime is 1303131317. The reversal of 1303131301 is 1031313031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1303131301 - 219 = 1302607013 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 (1303131341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381801 + ... + 385198.

It is an arithmetic number, because the mean of its divisors is an integer number (325975000).

Almost surely, 21303131301 is an apocalyptic number.

It is an amenable number.

1303131301 is a deficient number, since it is larger than the sum of its proper divisors (768699).

1303131301 is an equidigital number, since it uses as much as digits as its factorization.

1303131301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768698.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 1303131301 is about 36098.9099696930. The cubic root of 1303131301 is about 1092.2684572676.

Adding to 1303131301 its reverse (1031313031), we get a palindrome (2334444332).

The spelling of 1303131301 in words is "one billion, three hundred three million, one hundred thirty-one thousand, three hundred one".

Divisors: 1 1699 766999 1303131301