1213350113 has 2 divisors, whose sum is σ = 1213350114. Its totient is φ = 1213350112.

The previous prime is 1213350107. The next prime is 1213350121. The reversal of 1213350113 is 3110533121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1191147169 + 22202944 = 34513^2 + 4712^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213350113 - 2⁴ = 1213350097 is a prime.

It is a super-2 number, since 2×1213350113² = 2944436993434225538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1213350133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606675056 + 606675057.

It is an arithmetic number, because the mean of its divisors is an integer number (606675057).

Almost surely, 2^1213350113 is an apocalyptic number.

It is an amenable number.

1213350113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213350113 is an equidigital number, since it uses as much as digits as its factorization.

1213350113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1213350113 is about 34833.1754653520. The cubic root of 1213350113 is about 1066.5847707415.

Adding to 1213350113 its reverse (3110533121), we get a palindrome (4323883234).

The spelling of 1213350113 in words is "one billion, two hundred thirteen million, three hundred fifty thousand, one hundred thirteen".