31420456002243 has 192 divisors, whose sum is σ = 60432169374720. Its totient is φ = 15229489766400.

The previous prime is 31420456002227. The next prime is 31420456002301. The reversal of 31420456002243 is 34220065402413.

31420456002243 is a `hidden beast` number, since 3 + 1 + 4 + 2 + 0 + 4 + 5 + 600 + 2 + 2 + 43 = 666.

It is not a de Polignac number, because 31420456002243 - 2⁴ = 31420456002227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31420456002198 and 31420456002207.

It is not an unprimeable number, because it can be changed into a prime (31420456001243) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 652136728 + ... + 652184906.

It is an arithmetic number, because the mean of its divisors is an integer number (314750882160).

Almost surely, 2^{31420456002243} is an apocalyptic number.

31420456002243 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31420456002243 is a deficient number, since it is larger than the sum of its proper divisors (29011713372477).

31420456002243 is a wasteful number, since it uses less digits than its factorization.

31420456002243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48698 (or 48695 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 31420456002243 in words is "thirty-one trillion, four hundred twenty billion, four hundred fifty-six million, two thousand, two hundred forty-three".