1210377313 has 2 divisors, whose sum is σ = 1210377314. Its totient is φ = 1210377312.

The previous prime is 1210377281. The next prime is 1210377319. The reversal of 1210377313 is 3137730121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1192459024 + 17918289 = 34532^2 + 4233^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210377313 - 2⁵ = 1210377281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1210377319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605188656 + 605188657.

It is an arithmetic number, because the mean of its divisors is an integer number (605188657).

Almost surely, 2^1210377313 is an apocalyptic number.

It is an amenable number.

1210377313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210377313 is an equidigital number, since it uses as much as digits as its factorization.

1210377313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 1210377313 is about 34790.4773321666. The cubic root of 1210377313 is about 1065.7129871226.

The spelling of 1210377313 in words is "one billion, two hundred ten million, three hundred seventy-seven thousand, three hundred thirteen".