131507611326 has 48 divisors (see below), whose sum is σ = 350686967904. Its totient is φ = 34683325632.

The previous prime is 131507611309. The next prime is 131507611327. The reversal of 131507611326 is 623116705131.

131507611326 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 0 + 7 + 611 + 32 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131507611327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40141101 + ... + 40144376.

It is an arithmetic number, because the mean of its divisors is an integer number (7305978498).

Almost surely, 2^131507611326 is an apocalyptic number.

131507611326 is an abundant number, since it is smaller than the sum of its proper divisors (219179356578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131507611326 is a wasteful number, since it uses less digits than its factorization.

131507611326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80285505 (or 80285502 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 131507611326 in words is "one hundred thirty-one billion, five hundred seven million, six hundred eleven thousand, three hundred twenty-six".