31032010223 has 4 divisors (see below), whose sum is σ = 31870713240. Its totient is φ = 30193307208.

The previous prime is 31032010213. The next prime is 31032010237. The reversal of 31032010223 is 32201023013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32201023013 = 173 ⋅186133081.

It is a cyclic number.

It is not a de Polignac number, because 31032010223 - 2²² = 31027815919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31032010213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419351453 + ... + 419351526.

It is an arithmetic number, because the mean of its divisors is an integer number (7967678310).

Almost surely, 2^31032010223 is an apocalyptic number.

31032010223 is a deficient number, since it is larger than the sum of its proper divisors (838703017).

31032010223 is an equidigital number, since it uses as much as digits as its factorization.

31032010223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838703016.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31032010223 its reverse (32201023013), we get a palindrome (63233033236).

The spelling of 31032010223 in words is "thirty-one billion, thirty-two million, ten thousand, two hundred twenty-three".