720231113 has 16 divisors (see below), whose sum is σ = 838978560. Its totient is φ = 605496336.

The previous prime is 720231107. The next prime is 720231121. The reversal of 720231113 is 311132027.

It is a cyclic number.

It is not a de Polignac number, because 720231113 - 2¹⁰ = 720230089 is a prime.

It is a super-2 number, since 2×720231113² = 1037465712266437538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (720231103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206006 + ... + 209472.

It is an arithmetic number, because the mean of its divisors is an integer number (52436160).

Almost surely, 2^720231113 is an apocalyptic number.

It is an amenable number.

720231113 is a deficient number, since it is larger than the sum of its proper divisors (118747447).

720231113 is a wasteful number, since it uses less digits than its factorization.

720231113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 720231113 is about 26837.1219209512. The cubic root of 720231113 is about 896.3768382093.

The spelling of 720231113 in words is "seven hundred twenty million, two hundred thirty-one thousand, one hundred thirteen".