1310311051540 has 24 divisors (see below), whose sum is σ = 2756683675872. Its totient is φ = 523166236320.

The previous prime is 1310311051519. The next prime is 1310311051573. The reversal of 1310311051540 is 451501130131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59875306 + ... + 59897185.

It is an arithmetic number, because the mean of its divisors is an integer number (114861819828).

Almost surely, 2^{1310311051540} is an apocalyptic number.

1310311051540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310311051540 is an abundant number, since it is smaller than the sum of its proper divisors (1446372624332).

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

1310311051540 is a wasteful number, since it uses less digits than its factorization.

1310311051540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119773047 (or 119773045 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 1310311051540 its reverse (451501130131), we get a palindrome (1761812181671).

The spelling of 1310311051540 in words is "one trillion, three hundred ten billion, three hundred eleven million, fifty-one thousand, five hundred forty".