631461212045413 has 16 divisors (see below), whose sum is σ = 640786801374720. Its totient is φ = 622209183206400.

The previous prime is 631461212045393. The next prime is 631461212045491. The reversal of 631461212045413 is 314540212164136.

631461212045413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 631461212045413 - 2²⁵ = 631461178490981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 631461212045413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631461212042413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6999420 + ... + 36220357.

It is an arithmetic number, because the mean of its divisors is an integer number (40049175085920).

Almost surely, 2^{631461212045413} is an apocalyptic number.

It is an amenable number.

631461212045413 is a deficient number, since it is larger than the sum of its proper divisors (9325589329307).

631461212045413 is a wasteful number, since it uses less digits than its factorization.

631461212045413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43220628.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 631461212045413 in words is "six hundred thirty-one trillion, four hundred sixty-one billion, two hundred twelve million, forty-five thousand, four hundred thirteen".