31201322023 has 8 divisors (see below), whose sum is σ = 31270149792. Its totient is φ = 31132559136.

The previous prime is 31201322021. The next prime is 31201322039. The reversal of 31201322023 is 32022310213.

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 31201322023 - 2¹ = 31201322021 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 (31201322021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018161 + ... + 1048357.

It is an arithmetic number, because the mean of its divisors is an integer number (3908768724).

Almost surely, 2^31201322023 is an apocalyptic number.

31201322023 is a deficient number, since it is larger than the sum of its proper divisors (68827769).

31201322023 is a wasteful number, since it uses less digits than its factorization.

31201322023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32441.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31201322023 its reverse (32022310213), we get a palindrome (63223632236).

The spelling of 31201322023 in words is "thirty-one billion, two hundred one million, three hundred twenty-two thousand, twenty-three".