131511023313 has 32 divisors (see below), whose sum is σ = 183374585856. Its totient is φ = 83753096448.

The previous prime is 131511023311. The next prime is 131511023327. The reversal of 131511023313 is 313320115131.

It is a happy number.

It is not a de Polignac number, because 131511023313 - 2¹ = 131511023311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131511023311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9408856 + ... + 9422822.

It is an arithmetic number, because the mean of its divisors is an integer number (5730455808).

Almost surely, 2^131511023313 is an apocalyptic number.

It is an amenable number.

131511023313 is a deficient number, since it is larger than the sum of its proper divisors (51863562543).

131511023313 is a wasteful number, since it uses less digits than its factorization.

131511023313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15613.

The product of its (nonzero) digits is 810, while the sum is 24.

Adding to 131511023313 its reverse (313320115131), we get a palindrome (444831138444).

The spelling of 131511023313 in words is "one hundred thirty-one billion, five hundred eleven million, twenty-three thousand, three hundred thirteen".