631401244 has 48 divisors (see below), whose sum is σ = 1186617600. Its totient is φ = 293296256.

The previous prime is 631401203. The next prime is 631401257. The reversal of 631401244 is 442104136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482439 + ... + 483745.

It is an arithmetic number, because the mean of its divisors is an integer number (24721200).

Almost surely, 2^631401244 is an apocalyptic number.

It is an amenable number.

631401244 is a deficient number, since it is larger than the sum of its proper divisors (555216356).

631401244 is a wasteful number, since it uses less digits than its factorization.

631401244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 631401244 is about 25127.6987406328. The cubic root of 631401244 is about 857.8969906563.

The spelling of 631401244 in words is "six hundred thirty-one million, four hundred one thousand, two hundred forty-four".