631054223048 has 12 divisors (see below), whose sum is σ = 1183230881115. Its totient is φ = 315525988088.

The previous prime is 631054223039. The next prime is 631054223053. The reversal of 631054223048 is 840322450136.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 315527111524 + 315527111524 = 561718^2 + 561718^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=561718.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2106443 + ... + 2387301.

Almost surely, 2^631054223048 is an apocalyptic number.

It is an amenable number.

631054223048 is a deficient number, since it is larger than the sum of its proper divisors (552176658067).

631054223048 is an frugal number, since it uses more digits than its factorization.

631054223048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561724 (or 280861 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 631054223048 in words is "six hundred thirty-one billion, fifty-four million, two hundred twenty-three thousand, forty-eight".