31786930923 has 8 divisors (see below), whose sum is σ = 46235535936. Its totient is φ = 19264806600.

The previous prime is 31786930921. The next prime is 31786930933. The reversal of 31786930923 is 32903968713.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31786930923 - 2¹ = 31786930921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31786930921) 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, 481620133 + ... + 481620198.

It is an arithmetic number, because the mean of its divisors is an integer number (5779441992).

Almost surely, 2^31786930923 is an apocalyptic number.

31786930923 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31786930923 is a deficient number, since it is larger than the sum of its proper divisors (14448605013).

31786930923 is a wasteful number, since it uses less digits than its factorization.

31786930923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963240345.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 31786930923 in words is "thirty-one billion, seven hundred eighty-six million, nine hundred thirty thousand, nine hundred twenty-three".