31300300123 has 8 divisors (see below), whose sum is σ = 32979114000. Its totient is φ = 29624629248.

The previous prime is 31300300121. The next prime is 31300300139. The reversal of 31300300123 is 32100300313.

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 31300300123 - 2¹ = 31300300121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31300300097 and 31300300106.

It is not an unprimeable number, because it can be changed into a prime (31300300121) 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, 765286 + ... + 805147.

It is an arithmetic number, because the mean of its divisors is an integer number (4122389250).

Almost surely, 2^31300300123 is an apocalyptic number.

31300300123 is a deficient number, since it is larger than the sum of its proper divisors (1678813877).

31300300123 is a wasteful number, since it uses less digits than its factorization.

31300300123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571501.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 31300300123 its reverse (32100300313), we get a palindrome (63400600436).

The spelling of 31300300123 in words is "thirty-one billion, three hundred million, three hundred thousand, one hundred twenty-three".