1303421101 has 2 divisors, whose sum is σ = 1303421102. Its totient is φ = 1303421100.

The previous prime is 1303421087. The next prime is 1303421113. The reversal of 1303421101 is 1011243031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1009332900 + 294088201 = 31770^2 + 17149^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303421101 - 2⁵ = 1303421069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303421131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651710550 + 651710551.

It is an arithmetic number, because the mean of its divisors is an integer number (651710551).

Almost surely, 2^1303421101 is an apocalyptic number.

It is an amenable number.

1303421101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303421101 is an equidigital number, since it uses as much as digits as its factorization.

1303421101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1303421101 is about 36102.9237181700. The cubic root of 1303421101 is about 1092.3494201854.

Adding to 1303421101 its reverse (1011243031), we get a palindrome (2314664132).

The spelling of 1303421101 in words is "one billion, three hundred three million, four hundred twenty-one thousand, one hundred one".