1031232630 has 16 divisors (see below), whose sum is σ = 2474958384. Its totient is φ = 274995360.

The previous prime is 1031232617. The next prime is 1031232637. The reversal of 1031232630 is 362321301.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1031232597 and 1031232606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031232637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17187181 + ... + 17187240.

It is an arithmetic number, because the mean of its divisors is an integer number (154684899).

Almost surely, 2^1031232630 is an apocalyptic number.

1031232630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031232630 is an abundant number, since it is smaller than the sum of its proper divisors (1443725754).

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

1031232630 is a wasteful number, since it uses less digits than its factorization.

1031232630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34374431.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1031232630 is about 32112.8109949908. The cubic root of 1031232630 is about 1010.3043326923.

Adding to 1031232630 its reverse (362321301), we get a palindrome (1393553931).

The spelling of 1031232630 in words is "one billion, thirty-one million, two hundred thirty-two thousand, six hundred thirty".