631117231345602 has 24 divisors (see below), whose sum is σ = 1399221148566384. Its totient is φ = 205480028809944.

The previous prime is 631117231345529. The next prime is 631117231345633. The reversal of 631117231345602 is 206543132711136.

631117231345602 is a `hidden beast` number, since 6 + 3 + 1 + 1 + 1 + 7 + 2 + 3 + 1 + 34 + 5 + 602 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 407698469088 + ... + 407698470635.

It is an arithmetic number, because the mean of its divisors is an integer number (58300881190266).

Almost surely, 2^{631117231345602} is an apocalyptic number.

631117231345602 is an abundant number, since it is smaller than the sum of its proper divisors (768103917220782).

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

631117231345602 is a wasteful number, since it uses less digits than its factorization.

631117231345602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815396939774 (or 815396939771 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 631117231345602 in words is "six hundred thirty-one trillion, one hundred seventeen billion, two hundred thirty-one million, three hundred forty-five thousand, six hundred two".