1310230140 has 48 divisors (see below), whose sum is σ = 3702320160. Its totient is φ = 346187520.

The previous prime is 1310230099. The next prime is 1310230151. The reversal of 1310230140 is 410320131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93631 + ... + 106710.

It is an arithmetic number, because the mean of its divisors is an integer number (77131670).

Almost surely, 2^1310230140 is an apocalyptic number.

1310230140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310230140 is an abundant number, since it is smaller than the sum of its proper divisors (2392090020).

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

1310230140 is a wasteful number, since it uses less digits than its factorization.

1310230140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200462 (or 200460 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1310230140 is about 36197.1012651566. The cubic root of 1310230140 is about 1094.2482528146.

Adding to 1310230140 its reverse (410320131), we get a palindrome (1720550271).

The spelling of 1310230140 in words is "one billion, three hundred ten million, two hundred thirty thousand, one hundred forty".