131344315555 has 16 divisors (see below), whose sum is σ = 162983520000. Its totient is φ = 101507143680.

The previous prime is 131344315517. The next prime is 131344315601. The reversal of 131344315555 is 555513443131.

It is not a de Polignac number, because 131344315555 - 2²³ = 131335926947 is a prime.

It is a super-2 number, since 2×131344315555² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 656430 + ... + 832819.

It is an arithmetic number, because the mean of its divisors is an integer number (10186470000).

Almost surely, 2^131344315555 is an apocalyptic number.

131344315555 is a deficient number, since it is larger than the sum of its proper divisors (31639204445).

131344315555 is a wasteful number, since it uses less digits than its factorization.

131344315555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489854.

The product of its digits is 270000, while the sum is 40.

Adding to 131344315555 its reverse (555513443131), we get a palindrome (686857758686).

The spelling of 131344315555 in words is "one hundred thirty-one billion, three hundred forty-four million, three hundred fifteen thousand, five hundred fifty-five".