131215403514 has 24 divisors (see below), whose sum is σ = 284170639392. Its totient is φ = 40373970000.

The previous prime is 131215403503. The next prime is 131215403537. The reversal of 131215403514 is 415304512131.

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 64700862 + ... + 64702889.

It is an arithmetic number, because the mean of its divisors is an integer number (11840443308).

Almost surely, 2^131215403514 is an apocalyptic number.

131215403514 is an abundant number, since it is smaller than the sum of its proper divisors (152955235878).

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

131215403514 is a wasteful number, since it uses less digits than its factorization.

131215403514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129403782 (or 129403769 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 131215403514 its reverse (415304512131), we get a palindrome (546519915645).

The spelling of 131215403514 in words is "one hundred thirty-one billion, two hundred fifteen million, four hundred three thousand, five hundred fourteen".