1311301340502 has 16 divisors (see below), whose sum is σ = 2707202767872. Its totient is φ = 423000432360.

The previous prime is 1311301340467. The next prime is 1311301340519. The reversal of 1311301340502 is 2050431031131.

It is a super-2 number, since 2×1311301340502² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3525003418 + ... + 3525003789.

It is an arithmetic number, because the mean of its divisors is an integer number (169200172992).

Almost surely, 2^{1311301340502} is an apocalyptic number.

1311301340502 is an abundant number, since it is smaller than the sum of its proper divisors (1395901427370).

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

1311301340502 is a wasteful number, since it uses less digits than its factorization.

1311301340502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7050007243.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 1311301340502 its reverse (2050431031131), we get a palindrome (3361732371633).

The spelling of 1311301340502 in words is "one trillion, three hundred eleven billion, three hundred one million, three hundred forty thousand, five hundred two".