1013331121 has 8 divisors (see below), whose sum is σ = 1170478944. Its totient is φ = 867021120.

The previous prime is 1013331119. The next prime is 1013331149. The reversal of 1013331121 is 1211333101.

1013331121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013331121 - 2¹ = 1013331119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013331095 and 1013331104.

It is not an unprimeable number, because it can be changed into a prime (1013331101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2709255 + ... + 2709628.

It is an arithmetic number, because the mean of its divisors is an integer number (146309868).

Almost surely, 2^1013331121 is an apocalyptic number.

1013331121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1013331121 is a deficient number, since it is larger than the sum of its proper divisors (157147823).

1013331121 is a wasteful number, since it uses less digits than its factorization.

1013331121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5418911.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1013331121 is about 31832.8622809825. The cubic root of 1013331121 is about 1004.4241054273.

Adding to 1013331121 its reverse (1211333101), we get a palindrome (2224664222).

The spelling of 1013331121 in words is "one billion, thirteen million, three hundred thirty-one thousand, one hundred twenty-one".