631452305245153 has 24 divisors (see below), whose sum is σ = 737908877232000. Its totient is φ = 538768152746208.

The previous prime is 631452305245141. The next prime is 631452305245207. The reversal of 631452305245153 is 351542503254136.

631452305245153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-631452305245153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 631452305245097 and 631452305245106.

It is not an unprimeable number, because it can be changed into a prime (631452305245103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60085923 + ... + 69808471.

It is an arithmetic number, because the mean of its divisors is an integer number (30746203218000).

Almost surely, 2^{631452305245153} is an apocalyptic number.

It is an amenable number.

631452305245153 is a deficient number, since it is larger than the sum of its proper divisors (106456571986847).

631452305245153 is a wasteful number, since it uses less digits than its factorization.

631452305245153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9728629 (or 9728622 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 49.

Adding to 631452305245153 its reverse (351542503254136), we get a palindrome (982994808499289).

The spelling of 631452305245153 in words is "six hundred thirty-one trillion, four hundred fifty-two billion, three hundred five million, two hundred forty-five thousand, one hundred fifty-three".