31303200030023 has 4 divisors (see below), whose sum is σ = 31304022818880. Its totient is φ = 31302377241168.

The previous prime is 31303200029947. The next prime is 31303200030041. The reversal of 31303200030023 is 32003000230313.

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 31303200030023 - 2¹⁴ = 31303200013639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31303200029977 and 31303200030004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31303200033023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411337358 + ... + 411413451.

It is an arithmetic number, because the mean of its divisors is an integer number (7826005704720).

Almost surely, 2^{31303200030023} is an apocalyptic number.

31303200030023 is a deficient number, since it is larger than the sum of its proper divisors (822788857).

31303200030023 is an equidigital number, since it uses as much as digits as its factorization.

31303200030023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822788856.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 31303200030023 its reverse (32003000230313), we get a palindrome (63306200260336).

The spelling of 31303200030023 in words is "thirty-one trillion, three hundred three billion, two hundred million, thirty thousand, twenty-three".