31434421440334 has 32 divisors (see below), whose sum is σ = 51914767212000. Its totient is φ = 14156001901440.

The previous prime is 31434421440311. The next prime is 31434421440337. The reversal of 31434421440334 is 43304412443413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31434421440337) 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 15 ways as a sum of consecutive naturals, for example, 26068992 + ... + 27248140.

It is an arithmetic number, because the mean of its divisors is an integer number (1622336475375).

Almost surely, 2^{31434421440334} is an apocalyptic number.

31434421440334 is a deficient number, since it is larger than the sum of its proper divisors (20480345771666).

31434421440334 is a wasteful number, since it uses less digits than its factorization.

31434421440334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190388.

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 31434421440334 its reverse (43304412443413), we get a palindrome (74738833883747).

The spelling of 31434421440334 in words is "thirty-one trillion, four hundred thirty-four billion, four hundred twenty-one million, four hundred forty thousand, three hundred thirty-four".