631344027 has 16 divisors (see below), whose sum is σ = 887448960. Its totient is φ = 398135232.

The previous prime is 631344013. The next prime is 631344029. The reversal of 631344027 is 720443136.

631344027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 631344027 - 2⁶ = 631343963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 631343985 and 631344003.

It is not an unprimeable number, because it can be changed into a prime (631344029) 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, 30823 + ... + 47039.

It is an arithmetic number, because the mean of its divisors is an integer number (55465560).

Almost surely, 2^631344027 is an apocalyptic number.

631344027 is a deficient number, since it is larger than the sum of its proper divisors (256104933).

631344027 is a wasteful number, since it uses less digits than its factorization.

631344027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16922.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 631344027 is about 25126.5601903643. The cubic root of 631344027 is about 857.8710759281.

It can be divided in two parts, 63134 and 4027, that added together give a triangular number (67161 = T₃₆₆).

The spelling of 631344027 in words is "six hundred thirty-one million, three hundred forty-four thousand, twenty-seven".