1031541212011 has 4 divisors (see below), whose sum is σ = 1031548173112. Its totient is φ = 1031534250912.

The previous prime is 1031541211997. The next prime is 1031541212021. The reversal of 1031541212011 is 1102121451301.

1031541212011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1031541212011 - 2³³ = 1022951277419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031541212021) 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, 3253326 + ... + 3556291.

It is an arithmetic number, because the mean of its divisors is an integer number (257887043278).

Almost surely, 2^{1031541212011} is an apocalyptic number.

1031541212011 is a deficient number, since it is larger than the sum of its proper divisors (6961101).

1031541212011 is an equidigital number, since it uses as much as digits as its factorization.

1031541212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6961100.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 1031541212011 its reverse (1102121451301), we get a palindrome (2133662663312).

The spelling of 1031541212011 in words is "one trillion, thirty-one billion, five hundred forty-one million, two hundred twelve thousand, eleven".