1031023203213 has 8 divisors (see below), whose sum is σ = 1374706638400. Its totient is φ = 687344285088.

The previous prime is 1031023203209. The next prime is 1031023203229. The reversal of 1031023203213 is 3123023201301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1031023203213 - 2² = 1031023203209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031023203213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031023203283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554953 + ... + 1539486.

It is an arithmetic number, because the mean of its divisors is an integer number (171838329800).

Almost surely, 2^{1031023203213} is an apocalyptic number.

It is an amenable number.

1031023203213 is a deficient number, since it is larger than the sum of its proper divisors (343683435187).

1031023203213 is a wasteful number, since it uses less digits than its factorization.

1031023203213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258531.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1031023203213 its reverse (3123023201301), we get a palindrome (4154046404514).

The spelling of 1031023203213 in words is "one trillion, thirty-one billion, twenty-three million, two hundred three thousand, two hundred thirteen".