131031111032340 has 96 divisors (see below), whose sum is σ = 386202588119040. Its totient is φ = 33102113961600.

The previous prime is 131031111032309. The next prime is 131031111032357. The reversal of 131031111032340 is 43230111130131.

It is a self number, because there is not a number n which added to its sum of digits gives 131031111032340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80903085 + ... + 82506795.

It is an arithmetic number, because the mean of its divisors is an integer number (4022943626240).

Almost surely, 2^{131031111032340} is an apocalyptic number.

131031111032340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131031111032340 is an abundant number, since it is smaller than the sum of its proper divisors (255171477086700).

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

131031111032340 is a wasteful number, since it uses less digits than its factorization.

131031111032340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675413 (or 1675411 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 131031111032340 its reverse (43230111130131), we get a palindrome (174261222162471).

The spelling of 131031111032340 in words is "one hundred thirty-one trillion, thirty-one billion, one hundred eleven million, thirty-two thousand, three hundred forty".