631347027744055 has 32 divisors (see below), whose sum is σ = 868744885155840. Its totient is φ = 431475160366080.

The previous prime is 631347027744049. The next prime is 631347027744067. The reversal of 631347027744055 is 550447720743136.

It is a de Polignac number, because none of the positive numbers 2^k-631347027744055 is a prime.

It is a congruent number.

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, 118588135 + ... + 123797575.

It is an arithmetic number, because the mean of its divisors is an integer number (27148277661120).

Almost surely, 2^{631347027744055} is an apocalyptic number.

631347027744055 is a deficient number, since it is larger than the sum of its proper divisors (237397857411785).

631347027744055 is a wasteful number, since it uses less digits than its factorization.

631347027744055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221039.

The product of its (nonzero) digits is 59270400, while the sum is 58.

The spelling of 631347027744055 in words is "six hundred thirty-one trillion, three hundred forty-seven billion, twenty-seven million, seven hundred forty-four thousand, fifty-five".