1313012101 has 2 divisors, whose sum is σ = 1313012102. Its totient is φ = 1313012100.

The previous prime is 1313012059. The next prime is 1313012123. The reversal of 1313012101 is 1012103131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1305087876 + 7924225 = 36126^2 + 2815^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313012101 - 2⁹ = 1313011589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313018101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656506050 + 656506051.

It is an arithmetic number, because the mean of its divisors is an integer number (656506051).

Almost surely, 2^1313012101 is an apocalyptic number.

It is an amenable number.

1313012101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313012101 is an equidigital number, since it uses as much as digits as its factorization.

1313012101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1313012101 is about 36235.5088414665. The cubic root of 1313012101 is about 1095.0221636708.

Adding to 1313012101 its reverse (1012103131), we get a palindrome (2325115232).

The spelling of 1313012101 in words is "one billion, three hundred thirteen million, twelve thousand, one hundred one".