31544401334 has 16 divisors (see below), whose sum is σ = 47453234400. Its totient is φ = 15726682944.

The previous prime is 31544401327. The next prime is 31544401349. The reversal of 31544401334 is 43310444513.

It is a self number, because there is not a number n which added to its sum of digits gives 31544401334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4422479 + ... + 4429605.

It is an arithmetic number, because the mean of its divisors is an integer number (2965827150).

Almost surely, 2^31544401334 is an apocalyptic number.

31544401334 is a deficient number, since it is larger than the sum of its proper divisors (15908833066).

31544401334 is a wasteful number, since it uses less digits than its factorization.

31544401334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13207.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 31544401334 its reverse (43310444513), we get a palindrome (74854845847).

The spelling of 31544401334 in words is "thirty-one billion, five hundred forty-four million, four hundred one thousand, three hundred thirty-four".