31023100423 has 16 divisors (see below), whose sum is σ = 35729267200. Its totient is φ = 26386230816.

The previous prime is 31023100411. The next prime is 31023100439. The reversal of 31023100423 is 32400132013.

It is a cyclic number.

It is not a de Polignac number, because 31023100423 - 2⁵ = 31023100391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31023100423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023100453) 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 15 ways as a sum of consecutive naturals, for example, 489736 + ... + 549442.

It is an arithmetic number, because the mean of its divisors is an integer number (2233079200).

Almost surely, 2^31023100423 is an apocalyptic number.

31023100423 is a deficient number, since it is larger than the sum of its proper divisors (4706166777).

31023100423 is a wasteful number, since it uses less digits than its factorization.

31023100423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60286.

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

Adding to 31023100423 its reverse (32400132013), we get a palindrome (63423232436).

The spelling of 31023100423 in words is "thirty-one billion, twenty-three million, one hundred thousand, four hundred twenty-three".