131336520031 has 8 divisors (see below), whose sum is σ = 131999945184. Its totient is φ = 130674485760.

The previous prime is 131336519957. The next prime is 131336520079. The reversal of 131336520031 is 130025633131.

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 131336520031 - 2⁷ = 131336519903 is a prime.

It is a super-2 number, since 2×131336520031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131336520131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158131 + ... + 536356.

It is an arithmetic number, because the mean of its divisors is an integer number (16499993148).

Almost surely, 2^131336520031 is an apocalyptic number.

131336520031 is a deficient number, since it is larger than the sum of its proper divisors (663425153).

131336520031 is an equidigital number, since it uses as much as digits as its factorization.

131336520031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695441.

The product of its (nonzero) digits is 4860, while the sum is 28.

The spelling of 131336520031 in words is "one hundred thirty-one billion, three hundred thirty-six million, five hundred twenty thousand, thirty-one".