1011450031311 has 4 divisors (see below), whose sum is σ = 1348600041752. Its totient is φ = 674300020872.

The previous prime is 1011450031303. The next prime is 1011450031327. The reversal of 1011450031311 is 1131300541101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1011450031311 - 2³ = 1011450031303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011450031301) 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, 168575005216 + ... + 168575005221.

It is an arithmetic number, because the mean of its divisors is an integer number (337150010438).

Almost surely, 2^{1011450031311} is an apocalyptic number.

1011450031311 is a deficient number, since it is larger than the sum of its proper divisors (337150010441).

1011450031311 is an equidigital number, since it uses as much as digits as its factorization.

1011450031311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337150010440.

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 1011450031311 its reverse (1131300541101), we get a palindrome (2142750572412).

The spelling of 1011450031311 in words is "one trillion, eleven billion, four hundred fifty million, thirty-one thousand, three hundred eleven".