631434343206 has 16 divisors (see below), whose sum is σ = 1266684003648. Its totient is φ = 209842228200.

The previous prime is 631434343147. The next prime is 631434343207. The reversal of 631434343206 is 602343434136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631434343207) 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, 158969400 + ... + 158973371.

It is an arithmetic number, because the mean of its divisors is an integer number (79167750228).

Almost surely, 2^631434343206 is an apocalyptic number.

631434343206 is an abundant number, since it is smaller than the sum of its proper divisors (635249660442).

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

631434343206 is a wasteful number, since it uses less digits than its factorization.

631434343206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317943107.

The product of its (nonzero) digits is 373248, while the sum is 39.

The spelling of 631434343206 in words is "six hundred thirty-one billion, four hundred thirty-four million, three hundred forty-three thousand, two hundred six".