31232323405 has 8 divisors (see below), whose sum is σ = 39451356000. Its totient is φ = 23670813456.

The previous prime is 31232323403. The next prime is 31232323417. The reversal of 31232323405 is 50432323213.

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 31232323405 - 2¹ = 31232323403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232323403) 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, 164380555 + ... + 164380744.

It is an arithmetic number, because the mean of its divisors is an integer number (4931419500).

Almost surely, 2^31232323405 is an apocalyptic number.

It is an amenable number.

31232323405 is a deficient number, since it is larger than the sum of its proper divisors (8219032595).

31232323405 is a wasteful number, since it uses less digits than its factorization.

31232323405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328761323.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 31232323405 its reverse (50432323213), we get a palindrome (81664646618).

The spelling of 31232323405 in words is "thirty-one billion, two hundred thirty-two million, three hundred twenty-three thousand, four hundred five".