1011323541 has 4 divisors (see below), whose sum is σ = 1348431392. Its totient is φ = 674215692.

The previous prime is 1011323513. The next prime is 1011323549. The reversal of 1011323541 is 1453231101.

1011323541 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1011323541 - 2⁷ = 1011323413 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 (1011323549) 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, 168553921 + ... + 168553926.

It is an arithmetic number, because the mean of its divisors is an integer number (337107848).

Almost surely, 2^1011323541 is an apocalyptic number.

It is an amenable number.

1011323541 is a deficient number, since it is larger than the sum of its proper divisors (337107851).

1011323541 is an equidigital number, since it uses as much as digits as its factorization.

1011323541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337107850.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1011323541 is about 31801.3135106083. The cubic root of 1011323541 is about 1003.7603556678.

Adding to 1011323541 its reverse (1453231101), we get a palindrome (2464554642).

The spelling of 1011323541 in words is "one billion, eleven million, three hundred twenty-three thousand, five hundred forty-one".