1313025630 has 32 divisors (see below), whose sum is σ = 3601442304. Its totient is φ = 300120096.

The previous prime is 1313025629. The next prime is 1313025631. The reversal of 1313025630 is 365203131.

It is a happy number.

1313025630 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1313025629) and next prime (1313025631).

It is a self number, because there is not a number n which added to its sum of digits gives 1313025630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313025631) 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, 3126042 + ... + 3126461.

It is an arithmetic number, because the mean of its divisors is an integer number (112545072).

Almost surely, 2^1313025630 is an apocalyptic number.

1313025630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313025630 is an abundant number, since it is smaller than the sum of its proper divisors (2288416674).

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

1313025630 is a wasteful number, since it uses less digits than its factorization.

1313025630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6252520.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 1313025630 is about 36235.6955225093. The cubic root of 1313025630 is about 1095.0259246171.

Adding to 1313025630 its reverse (365203131), we get a palindrome (1678228761).

The spelling of 1313025630 in words is "one billion, three hundred thirteen million, twenty-five thousand, six hundred thirty".