23030031 has 16 divisors (see below), whose sum is σ = 32104800. Its totient is φ = 14665728.

The previous prime is 23030023. The next prime is 23030041. The reversal of 23030031 is 13003032.

It is a happy number.

It is not a de Polignac number, because 23030031 - 2³ = 23030023 is a prime.

It is a super-2 number, since 2×23030031² = 1060764655721922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23029989 and 23030016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23030011) 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, 7075 + ... + 9803.

It is an arithmetic number, because the mean of its divisors is an integer number (2006550).

Almost surely, 2^23030031 is an apocalyptic number.

23030031 is a deficient number, since it is larger than the sum of its proper divisors (9074769).

23030031 is a wasteful number, since it uses less digits than its factorization.

23030031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 23030031 is about 4798.9614501473. The cubic root of 23030031 is about 284.5104183121.

Adding to 23030031 its reverse (13003032), we get a palindrome (36033063).

The spelling of 23030031 in words is "twenty-three million, thirty thousand, thirty-one".