1031203240411 has 4 divisors (see below), whose sum is σ = 1031206029400. Its totient is φ = 1031200451424.

The previous prime is 1031203240393. The next prime is 1031203240471. The reversal of 1031203240411 is 1140423021301.

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 1031203240411 - 2²⁵ = 1031169685979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031203240471) 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, 736341 + ... + 1613878.

It is an arithmetic number, because the mean of its divisors is an integer number (257801507350).

Almost surely, 2^{1031203240411} is an apocalyptic number.

1031203240411 is a deficient number, since it is larger than the sum of its proper divisors (2788989).

1031203240411 is an equidigital number, since it uses as much as digits as its factorization.

1031203240411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788988.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1031203240411 its reverse (1140423021301), we get a palindrome (2171626261712).

The spelling of 1031203240411 in words is "one trillion, thirty-one billion, two hundred three million, two hundred forty thousand, four hundred eleven".