31554422434 has 8 divisors (see below), whose sum is σ = 47338621740. Its totient is φ = 15774881856.

The previous prime is 31554422429. The next prime is 31554422441. The reversal of 31554422434 is 43422445513.

It can be written as a sum of positive squares in 2 ways, for example, as 31047497209 + 506925225 = 176203^2 + 22515^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 31554422393 and 31554422402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1147699 + ... + 1174870.

Almost surely, 2^31554422434 is an apocalyptic number.

31554422434 is a deficient number, since it is larger than the sum of its proper divisors (15784199306).

31554422434 is a wasteful number, since it uses less digits than its factorization.

31554422434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329364.

The product of its digits is 230400, while the sum is 37.

Adding to 31554422434 its reverse (43422445513), we get a palindrome (74976867947).

The spelling of 31554422434 in words is "thirty-one billion, five hundred fifty-four million, four hundred twenty-two thousand, four hundred thirty-four".