1013203011 has 16 divisors (see below), whose sum is σ = 1372681728. Its totient is φ = 664620000.

The previous prime is 1013203007. The next prime is 1013203019. The reversal of 1013203011 is 1103023101.

It is not a de Polignac number, because 1013203011 - 2² = 1013203007 is a prime.

It is a super-2 number, since 2×1013203011² = 2053160682998932242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1013203019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210886 + ... + 215636.

It is an arithmetic number, because the mean of its divisors is an integer number (85792608).

Almost surely, 2^1013203011 is an apocalyptic number.

1013203011 is a deficient number, since it is larger than the sum of its proper divisors (359478717).

1013203011 is a wasteful number, since it uses less digits than its factorization.

1013203011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882.

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

The square root of 1013203011 is about 31830.8499886509. The cubic root of 1013203011 is about 1004.3817756654.

Adding to 1013203011 its reverse (1103023101), we get a palindrome (2116226112).

The spelling of 1013203011 in words is "one billion, thirteen million, two hundred three thousand, eleven".