31055300123 has 4 divisors (see below), whose sum is σ = 31077064200. Its totient is φ = 31033536048.

The previous prime is 31055300077. The next prime is 31055300147. The reversal of 31055300123 is 32100355013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31055300123 - 2³² = 26760332827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31055305123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10879898 + ... + 10882751.

It is an arithmetic number, because the mean of its divisors is an integer number (7769266050).

Almost surely, 2^31055300123 is an apocalyptic number.

31055300123 is a deficient number, since it is larger than the sum of its proper divisors (21764077).

31055300123 is a wasteful number, since it uses less digits than its factorization.

31055300123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21764076.

The product of its (nonzero) digits is 1350, while the sum is 23.

Adding to 31055300123 its reverse (32100355013), we get a palindrome (63155655136).

The spelling of 31055300123 in words is "thirty-one billion, fifty-five million, three hundred thousand, one hundred twenty-three".