1023011013 has 8 divisors (see below), whose sum is σ = 1369972000. Its totient is φ = 679028688.

The previous prime is 1023011009. The next prime is 1023011021. The reversal of 1023011013 is 3101103201.

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

It is not a de Polignac number, because 1023011013 - 2² = 1023011009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023011013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023011083) 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, 743863 + ... + 745236.

It is an arithmetic number, because the mean of its divisors is an integer number (171246500).

Almost surely, 2^1023011013 is an apocalyptic number.

It is an amenable number.

1023011013 is a deficient number, since it is larger than the sum of its proper divisors (346960987).

1023011013 is a wasteful number, since it uses less digits than its factorization.

1023011013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489331.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1023011013 is about 31984.5433451847. The cubic root of 1023011013 is about 1007.6122443686.

Adding to 1023011013 its reverse (3101103201), we get a palindrome (4124114214).

The spelling of 1023011013 in words is "one billion, twenty-three million, eleven thousand, thirteen".