1023313203213 has 16 divisors (see below), whose sum is σ = 1559391904896. Its totient is φ = 584728839360.

The previous prime is 1023313203091. The next prime is 1023313203251. The reversal of 1023313203213 is 3123023133201.

It is not a de Polignac number, because 1023313203213 - 2²⁰ = 1023312154637 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023313203313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306306 + ... + 1463027.

It is an arithmetic number, because the mean of its divisors is an integer number (97461994056).

Almost surely, 2^{1023313203213} is an apocalyptic number.

It is an amenable number.

1023313203213 is a deficient number, since it is larger than the sum of its proper divisors (536078701683).

1023313203213 is a wasteful number, since it uses less digits than its factorization.

1023313203213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796884.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1023313203213 its reverse (3123023133201), we get a palindrome (4146336336414).

The spelling of 1023313203213 in words is "one trillion, twenty-three billion, three hundred thirteen million, two hundred three thousand, two hundred thirteen".