131322620415 has 16 divisors (see below), whose sum is σ = 240132791808. Its totient is φ = 60033197856.

The previous prime is 131322620413. The next prime is 131322620419. The reversal of 131322620415 is 514026223131.

It is not a de Polignac number, because 131322620415 - 2¹ = 131322620413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131322620411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625345707 + ... + 625345916.

It is an arithmetic number, because the mean of its divisors is an integer number (15008299488).

Almost surely, 2^131322620415 is an apocalyptic number.

131322620415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131322620415 is a deficient number, since it is larger than the sum of its proper divisors (108810171393).

131322620415 is a wasteful number, since it uses less digits than its factorization.

131322620415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250691638.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 131322620415 its reverse (514026223131), we get a palindrome (645348843546).

The spelling of 131322620415 in words is "one hundred thirty-one billion, three hundred twenty-two million, six hundred twenty thousand, four hundred fifteen".