630031412 has 48 divisors (see below), whose sum is σ = 1197000000. Its totient is φ = 289142784.

The previous prime is 630031411. The next prime is 630031421. The reversal of 630031412 is 214130036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630031411) 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, 1262339 + ... + 1262837.

It is an arithmetic number, because the mean of its divisors is an integer number (24937500).

Almost surely, 2^630031412 is an apocalyptic number.

It is an amenable number.

630031412 is a deficient number, since it is larger than the sum of its proper divisors (566968588).

630031412 is a wasteful number, since it uses less digits than its factorization.

630031412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 630031412 is about 25100.4265302405. The cubic root of 630031412 is about 857.2761357778.

Adding to 630031412 its reverse (214130036), we get a palindrome (844161448).

The spelling of 630031412 in words is "six hundred thirty million, thirty-one thousand, four hundred twelve".