631434030 has 96 divisors (see below), whose sum is σ = 1637539200. Its totient is φ = 155393280.

The previous prime is 631434007. The next prime is 631434073. The reversal of 631434030 is 30434136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 957841 + ... + 958499.

It is an arithmetic number, because the mean of its divisors is an integer number (17057700).

Almost surely, 2^631434030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631434030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818769600).

631434030 is an abundant number, since it is smaller than the sum of its proper divisors (1006105170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631434030 is a wasteful number, since it uses less digits than its factorization.

631434030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 631434030 is about 25128.3511198009. The cubic root of 631434030 is about 857.9118393885.

Adding to 631434030 its reverse (30434136), we get a palindrome (661868166).

The spelling of 631434030 in words is "six hundred thirty-one million, four hundred thirty-four thousand, thirty".