31434020434 has 8 divisors (see below), whose sum is σ = 47153731968. Its totient is φ = 15716109780.

The previous prime is 31434020417. The next prime is 31434020437. The reversal of 31434020434 is 43402043413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (31434020437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405702 + ... + 476929.

It is an arithmetic number, because the mean of its divisors is an integer number (5894216496).

Almost surely, 2^31434020434 is an apocalyptic number.

31434020434 is a deficient number, since it is larger than the sum of its proper divisors (15719711534).

31434020434 is a wasteful number, since it uses less digits than its factorization.

31434020434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900440.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 31434020434 its reverse (43402043413), we get a palindrome (74836063847).

The spelling of 31434020434 in words is "thirty-one billion, four hundred thirty-four million, twenty thousand, four hundred thirty-four".