131221324114320 has 160 divisors (see below), whose sum is σ = 455760353577600. Its totient is φ = 30951467089920.

The previous prime is 131221324114297. The next prime is 131221324114343. The reversal of 131221324114320 is 23411423122131.

It is an interprime number because it is at equal distance from previous prime (131221324114297) and next prime (131221324114343).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 671592145 + ... + 671787504.

It is an arithmetic number, because the mean of its divisors is an integer number (2848502209860).

Almost surely, 2^{131221324114320} is an apocalyptic number.

131221324114320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131221324114320 is an abundant number, since it is smaller than the sum of its proper divisors (324539029463280).

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

131221324114320 is a wasteful number, since it uses less digits than its factorization.

131221324114320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343379713 (or 1343379707 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 131221324114320 its reverse (23411423122131), we get a palindrome (154632747236451).

The spelling of 131221324114320 in words is "one hundred thirty-one trillion, two hundred twenty-one billion, three hundred twenty-four million, one hundred fourteen thousand, three hundred twenty".