631348111079316 has 192 divisors, whose sum is σ = 1666528257945600. Its totient is φ = 209245810001760.

The previous prime is 631348111079297. The next prime is 631348111079327. The reversal of 631348111079316 is 613970111843136.

631348111079316 is a `hidden beast` number, since 6 + 3 + 13 + 481 + 110 + 7 + 9 + 31 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1880730901 + ... + 1881066563.

It is an arithmetic number, because the mean of its divisors is an integer number (8679834676800).

Almost surely, 2^{631348111079316} 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 631348111079316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833264128972800).

631348111079316 is an abundant number, since it is smaller than the sum of its proper divisors (1035180146866284).

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

631348111079316 is a wasteful number, since it uses less digits than its factorization.

631348111079316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336918 (or 336898 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 631348111079316 in words is "six hundred thirty-one trillion, three hundred forty-eight billion, one hundred eleven million, seventy-nine thousand, three hundred sixteen".