131511303115131 has 8 divisors (see below), whose sum is σ = 177818099986944. Its totient is φ = 86439354160040.

The previous prime is 131511303115121. The next prime is 131511303115183.

It is a happy number.

131511303115131 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131511303115131 - 2⁶ = 131511303115067 is a prime.

It is a super-2 number, since 2×131511303115131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131511303115121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308711978931 + ... + 308711979356.

It is an arithmetic number, because the mean of its divisors is an integer number (22227262498368).

Almost surely, 2^{131511303115131} is an apocalyptic number.

131511303115131 is a deficient number, since it is larger than the sum of its proper divisors (46306796871813).

131511303115131 is an equidigital number, since it uses as much as digits as its factorization.

131511303115131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617423958361.

The product of its (nonzero) digits is 2025, while the sum is 30.

It can be divided in two parts, 13151130 and 3115131, that added together give a palindrome (16266261).

The spelling of 131511303115131 in words is "one hundred thirty-one trillion, five hundred eleven billion, three hundred three million, one hundred fifteen thousand, one hundred thirty-one".