631363534 has 16 divisors (see below), whose sum is σ = 959983200. Its totient is φ = 311395104.

The previous prime is 631363531. The next prime is 631363571. The reversal of 631363534 is 435363136.

It is a self number, because there is not a number n which added to its sum of digits gives 631363534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631363531) 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, 43599 + ... + 56245.

It is an arithmetic number, because the mean of its divisors is an integer number (59998950).

Almost surely, 2^631363534 is an apocalyptic number.

631363534 is a deficient number, since it is larger than the sum of its proper divisors (328619666).

631363534 is a wasteful number, since it uses less digits than its factorization.

631363534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12987.

The product of its digits is 58320, while the sum is 34.

The square root of 631363534 is about 25126.9483622664. The cubic root of 631363534 is about 857.8799112160.

The spelling of 631363534 in words is "six hundred thirty-one million, three hundred sixty-three thousand, five hundred thirty-four".