21031431041034 has 48 divisors (see below), whose sum is σ = 45662858059104. Its totient is φ = 6995900167200.

The previous prime is 21031431041011. The next prime is 21031431041087. The reversal of 21031431041034 is 43014013413012.

21031431041034 is a `hidden beast` number, since 2 + 1 + 0 + 314 + 310 + 4 + 1 + 0 + 34 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 21031431040989 and 21031431041007.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 322916797 + ... + 322981919.

It is an arithmetic number, because the mean of its divisors is an integer number (951309542898).

Almost surely, 2^{21031431041034} is an apocalyptic number.

21031431041034 is an abundant number, since it is smaller than the sum of its proper divisors (24631427018070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21031431041034 is a wasteful number, since it uses less digits than its factorization.

21031431041034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102163 (or 102160 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 21031431041034 its reverse (43014013413012), we get a palindrome (64045444454046).

The spelling of 21031431041034 in words is "twenty-one trillion, thirty-one billion, four hundred thirty-one million, forty-one thousand, thirty-four".