20312456431043 has 8 divisors (see below), whose sum is σ = 23219001765120. Its totient is φ = 17407102557960.

The previous prime is 20312456431027. The next prime is 20312456431087. The reversal of 20312456431043 is 34013465421302.

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 20312456431043 - 2⁴ = 20312456431027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20312456430988 and 20312456431006.

It is not an unprimeable number, because it can be changed into a prime (20312456431093) 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, 297828713 + ... + 297896906.

It is an arithmetic number, because the mean of its divisors is an integer number (2902375220640).

Almost surely, 2^{20312456431043} is an apocalyptic number.

20312456431043 is a deficient number, since it is larger than the sum of its proper divisors (2906545334077).

20312456431043 is an equidigital number, since it uses as much as digits as its factorization.

20312456431043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595730497.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 20312456431043 in words is "twenty trillion, three hundred twelve billion, four hundred fifty-six million, four hundred thirty-one thousand, forty-three".