31663146244434 has 16 divisors (see below), whose sum is σ = 66659255251680. Its totient is φ = 9998888287680.

The previous prime is 31663146244427. The next prime is 31663146244493. The reversal of 31663146244434 is 43444264136613.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138873448327 + ... + 138873448554.

It is an arithmetic number, because the mean of its divisors is an integer number (4166203453230).

Almost surely, 2^{31663146244434} is an apocalyptic number.

31663146244434 is an abundant number, since it is smaller than the sum of its proper divisors (34996109007246).

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

31663146244434 is a wasteful number, since it uses less digits than its factorization.

31663146244434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277746896905.

The product of its digits is 11943936, while the sum is 51.

The spelling of 31663146244434 in words is "thirty-one trillion, six hundred sixty-three billion, one hundred forty-six million, two hundred forty-four thousand, four hundred thirty-four".