1310030320 has 40 divisors (see below), whose sum is σ = 3178251936. Its totient is φ = 501228288.

The previous prime is 1310030317. The next prime is 1310030321. The reversal of 1310030320 is 230300131.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1310030320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310030321) 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, 354147 + ... + 357826.

Almost surely, 2^1310030320 is an apocalyptic number.

1310030320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310030320 is an abundant number, since it is smaller than the sum of its proper divisors (1868221616).

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

1310030320 is a wasteful number, since it uses less digits than its factorization.

1310030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712009 (or 712003 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1310030320 is about 36194.3409941388. The cubic root of 1310030320 is about 1094.1926229433.

Adding to 1310030320 its reverse (230300131), we get a palindrome (1540330451).

The spelling of 1310030320 in words is "one billion, three hundred ten million, thirty thousand, three hundred twenty".