1031223203011 has 8 divisors (see below), whose sum is σ = 1053410796864. Its totient is φ = 1009045887360.

The previous prime is 1031223203009. The next prime is 1031223203039. The reversal of 1031223203011 is 1103023221301.

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 1031223203011 - 2¹ = 1031223203009 is a prime.

It is a super-2 number, since 2×1031223203011² (a number of 25 digits) contains 22 as substring.

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 1031223203011.

It is not an unprimeable number, because it can be changed into a prime (1031223203411) 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, 2366560 + ... + 2768221.

It is an arithmetic number, because the mean of its divisors is an integer number (131676349608).

Almost surely, 2^{1031223203011} is an apocalyptic number.

1031223203011 is a deficient number, since it is larger than the sum of its proper divisors (22187593853).

1031223203011 is an equidigital number, since it uses as much as digits as its factorization.

1031223203011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5139101.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1031223203011 its reverse (1103023221301), we get a palindrome (2134246424312).

The spelling of 1031223203011 in words is "one trillion, thirty-one billion, two hundred twenty-three million, two hundred three thousand, eleven".