131343105315 has 32 divisors (see below), whose sum is σ = 217174874112. Its totient is φ = 67712832000.

The previous prime is 131343105259. The next prime is 131343105317. The reversal of 131343105315 is 513501343131.

It is not a de Polignac number, because 131343105315 - 2⁹ = 131343104803 is a prime.

It is a super-2 number, since 2×131343105315² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131343105317) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 249360 + ... + 569970.

It is an arithmetic number, because the mean of its divisors is an integer number (6786714816).

Almost surely, 2^131343105315 is an apocalyptic number.

131343105315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131343105315 is a deficient number, since it is larger than the sum of its proper divisors (85831768797).

131343105315 is a wasteful number, since it uses less digits than its factorization.

131343105315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321531.

The product of its (nonzero) digits is 8100, while the sum is 30.

Adding to 131343105315 its reverse (513501343131), we get a palindrome (644844448446).

The spelling of 131343105315 in words is "one hundred thirty-one billion, three hundred forty-three million, one hundred five thousand, three hundred fifteen".