631443331334 has 16 divisors (see below), whose sum is σ = 973190774976. Its totient is φ = 307053892800.

The previous prime is 631443331291. The next prime is 631443331339. The reversal of 631443331334 is 433133344136.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631443331339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1701662 + ... + 2039249.

It is an arithmetic number, because the mean of its divisors is an integer number (60824423436).

Almost surely, 2^631443331334 is an apocalyptic number.

631443331334 is a deficient number, since it is larger than the sum of its proper divisors (341747443642).

631443331334 is a wasteful number, since it uses less digits than its factorization.

631443331334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743231.

The product of its digits is 279936, while the sum is 38.

The spelling of 631443331334 in words is "six hundred thirty-one billion, four hundred forty-three million, three hundred thirty-one thousand, three hundred thirty-four".