631251141152136 has 128 divisors (see below), whose sum is σ = 1648755096422400. Its totient is φ = 201144272000000.

The previous prime is 631251141152081. The next prime is 631251141152273.

631251141152136 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3128141401 + ... + 3128343191.

It is an arithmetic number, because the mean of its divisors is an integer number (12880899190800).

Almost surely, 2^{631251141152136} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631251141152136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (824377548211200).

631251141152136 is an abundant number, since it is smaller than the sum of its proper divisors (1017503955270264).

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

631251141152136 is a wasteful number, since it uses less digits than its factorization.

631251141152136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246431 (or 246427 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The spelling of 631251141152136 in words is "six hundred thirty-one trillion, two hundred fifty-one billion, one hundred forty-one million, one hundred fifty-two thousand, one hundred thirty-six".