131011187307 has 128 divisors (see below), whose sum is σ = 237104824320. Its totient is φ = 62138880000.

The previous prime is 131011187303. The next prime is 131011187347. The reversal of 131011187307 is 703781110131.

It is not a de Polignac number, because 131011187307 - 2² = 131011187303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (131011187303) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 141023419 + ... + 141024347.

It is an arithmetic number, because the mean of its divisors is an integer number (1852381440).

Almost surely, 2^131011187307 is an apocalyptic number.

131011187307 is a deficient number, since it is larger than the sum of its proper divisors (106093637013).

131011187307 is a wasteful number, since it uses less digits than its factorization.

131011187307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425.

The product of its (nonzero) digits is 3528, while the sum is 33.

Adding to 131011187307 its reverse (703781110131), we get a palindrome (834792297438).

The spelling of 131011187307 in words is "one hundred thirty-one billion, eleven million, one hundred eighty-seven thousand, three hundred seven".