131031230303040 has 56 divisors (see below), whose sum is σ = 416024156215200. Its totient is φ = 34941661413888.

The previous prime is 131031230303011. The next prime is 131031230303053. The reversal of 131031230303040 is 40303032130131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 131031230303040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68245431490 + ... + 68245433409.

Almost surely, 2^{131031230303040} is an apocalyptic number.

131031230303040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131031230303040 is an abundant number, since it is smaller than the sum of its proper divisors (284992925912160).

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

131031230303040 is a wasteful number, since it uses less digits than its factorization.

131031230303040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136490864919 (or 136490864909 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 131031230303040 its reverse (40303032130131), we get a palindrome (171334262433171).

The spelling of 131031230303040 in words is "one hundred thirty-one trillion, thirty-one billion, two hundred thirty million, three hundred three thousand, forty".