1310332540 has 48 divisors (see below), whose sum is σ = 3132380160. Its totient is φ = 455766080.

The previous prime is 1310332487. The next prime is 1310332559. The reversal of 1310332540 is 452330131.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 124420 + ... + 134539.

It is an arithmetic number, because the mean of its divisors is an integer number (65257920).

Almost surely, 2^1310332540 is an apocalyptic number.

1310332540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310332540 is an abundant number, since it is smaller than the sum of its proper divisors (1822047620).

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

1310332540 is a wasteful number, since it uses less digits than its factorization.

1310332540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259002 (or 259000 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1310332540 is about 36198.5157154268. The cubic root of 1310332540 is about 1094.2767587741.

Adding to 1310332540 its reverse (452330131), we get a palindrome (1762662671).

The spelling of 1310332540 in words is "one billion, three hundred ten million, three hundred thirty-two thousand, five hundred forty".