1213101032303 has 4 divisors (see below), whose sum is σ = 1213130052048. Its totient is φ = 1213072012560.

The previous prime is 1213101032287. The next prime is 1213101032317. The reversal of 1213101032303 is 3032301013121.

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

It is a cyclic number.

It is not a de Polignac number, because 1213101032303 - 2⁴ = 1213101032287 is a prime.

It is a super-2 number, since 2×1213101032303² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213101032323) 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, 14447078 + ... + 14530803.

It is an arithmetic number, because the mean of its divisors is an integer number (303282513012).

Almost surely, 2^{1213101032303} is an apocalyptic number.

1213101032303 is a deficient number, since it is larger than the sum of its proper divisors (29019745).

1213101032303 is an equidigital number, since it uses as much as digits as its factorization.

1213101032303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29019744.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1213101032303 its reverse (3032301013121), we get a palindrome (4245402045424).

The spelling of 1213101032303 in words is "one trillion, two hundred thirteen billion, one hundred one million, thirty-two thousand, three hundred three".