23071031 has 8 divisors (see below), whose sum is σ = 23649024. Its totient is φ = 22496760.

The previous prime is 23070991. The next prime is 23071033. The reversal of 23071031 is 13017032.

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 23071031 - 2¹⁰ = 23070007 is a prime.

It is a super-2 number, since 2×23071031² = 1064544942805922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23071033) 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, 14816 + ... + 16298.

It is an arithmetic number, because the mean of its divisors is an integer number (2956128).

Almost surely, 2^23071031 is an apocalyptic number.

23071031 is a deficient number, since it is larger than the sum of its proper divisors (577993).

23071031 is a wasteful number, since it uses less digits than its factorization.

23071031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 23071031 is about 4803.2313081924. The cubic root of 23071031 is about 284.6791546850.

Adding to 23071031 its reverse (13017032), we get a palindrome (36088063).

The spelling of 23071031 in words is "twenty-three million, seventy-one thousand, thirty-one".