1051113331 has 4 divisors (see below), whose sum is σ = 1070945712. Its totient is φ = 1031280952.

The previous prime is 1051113313. The next prime is 1051113367. The reversal of 1051113331 is 1333111501.

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 1051113331 - 2⁵ = 1051113299 is a prime.

It is a super-2 number, since 2×1051113331² = 2209678469211831122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1051113299 and 1051113308.

It is not an unprimeable number, because it can be changed into a prime (1051113031) 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, 9916111 + ... + 9916216.

It is an arithmetic number, because the mean of its divisors is an integer number (267736428).

Almost surely, 2^1051113331 is an apocalyptic number.

1051113331 is a deficient number, since it is larger than the sum of its proper divisors (19832381).

1051113331 is an equidigital number, since it uses as much as digits as its factorization.

1051113331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19832380.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 1051113331 is about 32420.8780109361. The cubic root of 1051113331 is about 1016.7554634377.

Adding to 1051113331 its reverse (1333111501), we get a palindrome (2384224832).

The spelling of 1051113331 in words is "one billion, fifty-one million, one hundred thirteen thousand, three hundred thirty-one".