1023531113 has 8 divisors (see below), whose sum is σ = 1116866880. Its totient is φ = 930243280.

The previous prime is 1023530987. The next prime is 1023531127. The reversal of 1023531113 is 3111353201.

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 1023531113 - 2⁸ = 1023530857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023530113) 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, 44108 + ... + 63186.

It is an arithmetic number, because the mean of its divisors is an integer number (139608360).

Almost surely, 2^1023531113 is an apocalyptic number.

It is an amenable number.

1023531113 is a deficient number, since it is larger than the sum of its proper divisors (93335767).

1023531113 is a wasteful number, since it uses less digits than its factorization.

1023531113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23967.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1023531113 is about 31992.6728017526. The cubic root of 1023531113 is about 1007.7829725218.

Adding to 1023531113 its reverse (3111353201), we get a palindrome (4134884314).

The spelling of 1023531113 in words is "one billion, twenty-three million, five hundred thirty-one thousand, one hundred thirteen".