1013331057 has 4 divisors (see below), whose sum is σ = 1351108080. Its totient is φ = 675554036.

The previous prime is 1013331043. The next prime is 1013331061. The reversal of 1013331057 is 7501333101.

1013331057 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 a cyclic number.

It is not a de Polignac number, because 1013331057 - 2⁴ = 1013331041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013331017) 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, 168888507 + ... + 168888512.

It is an arithmetic number, because the mean of its divisors is an integer number (337777020).

Almost surely, 2^1013331057 is an apocalyptic number.

It is an amenable number.

1013331057 is a deficient number, since it is larger than the sum of its proper divisors (337777023).

1013331057 is an equidigital number, since it uses as much as digits as its factorization.

1013331057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337777022.

The product of its (nonzero) digits is 945, while the sum is 24.

The square root of 1013331057 is about 31832.8612757320. The cubic root of 1013331057 is about 1004.4240842814.

Adding to 1013331057 its reverse (7501333101), we get a palindrome (8514664158).

The spelling of 1013331057 in words is "one billion, thirteen million, three hundred thirty-one thousand, fifty-seven".