631110994691 has 8 divisors (see below), whose sum is σ = 633822462000. Its totient is φ = 628404688800.

The previous prime is 631110994607. The next prime is 631110994693. The reversal of 631110994691 is 196499011136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 631110994691 - 2¹⁴ = 631110978307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631110994693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045181 + ... + 1534478.

It is an arithmetic number, because the mean of its divisors is an integer number (79227807750).

Almost surely, 2^631110994691 is an apocalyptic number.

631110994691 is a deficient number, since it is larger than the sum of its proper divisors (2711467309).

631110994691 is a wasteful number, since it uses less digits than its factorization.

631110994691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580709.

The product of its (nonzero) digits is 314928, while the sum is 50.

The spelling of 631110994691 in words is "six hundred thirty-one billion, one hundred ten million, nine hundred ninety-four thousand, six hundred ninety-one".