1031020203211 has 8 divisors (see below), whose sum is σ = 1075937461920. Its totient is φ = 986110468992.

The previous prime is 1031020203173. The next prime is 1031020203217. The reversal of 1031020203211 is 1123020201301.

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

It is a cyclic number.

It is not a de Polignac number, because 1031020203211 - 2²³ = 1031011814603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031020203217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1600216 + ... + 2150053.

It is an arithmetic number, because the mean of its divisors is an integer number (134492182740).

Almost surely, 2^{1031020203211} is an apocalyptic number.

1031020203211 is a deficient number, since it is larger than the sum of its proper divisors (44917258709).

1031020203211 is a wasteful number, since it uses less digits than its factorization.

1031020203211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3762245.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1031020203211 its reverse (1123020201301), we get a palindrome (2154040404512).

The spelling of 1031020203211 in words is "one trillion, thirty-one billion, twenty million, two hundred three thousand, two hundred eleven".