31436654434 has 8 divisors (see below), whose sum is σ = 47159258220. Its totient is φ = 15716901696.

The previous prime is 31436654413. The next prime is 31436654461. The reversal of 31436654434 is 43445663413.

It can be written as a sum of positive squares in 2 ways, for example, as 26342263809 + 5094390625 = 162303^2 + 71375^2 .

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

It is an unprimeable number.

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, 684979 + ... + 729430.

Almost surely, 2^31436654434 is an apocalyptic number.

31436654434 is a deficient number, since it is larger than the sum of its proper divisors (15722603786).

31436654434 is a wasteful number, since it uses less digits than its factorization.

31436654434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425524.

The product of its digits is 1244160, while the sum is 43.

The spelling of 31436654434 in words is "thirty-one billion, four hundred thirty-six million, six hundred fifty-four thousand, four hundred thirty-four".