1210213330313 has 4 divisors (see below), whose sum is σ = 1303306663428. Its totient is φ = 1117119997200.

The previous prime is 1210213330273. The next prime is 1210213330387. The reversal of 1210213330313 is 3130333120121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 567028578169 + 643184752144 = 753013^2 + 801988^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210213330313 - 2²² = 1210209136009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210213330813) 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, 46546666538 + ... + 46546666563.

It is an arithmetic number, because the mean of its divisors is an integer number (325826665857).

Almost surely, 2^{1210213330313} is an apocalyptic number.

1210213330313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1210213330313 is a deficient number, since it is larger than the sum of its proper divisors (93093333115).

1210213330313 is an equidigital number, since it uses as much as digits as its factorization.

1210213330313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93093333114.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1210213330313 its reverse (3130333120121), we get a palindrome (4340546450434).

The spelling of 1210213330313 in words is "one trillion, two hundred ten billion, two hundred thirteen million, three hundred thirty thousand, three hundred thirteen".