131020140032430 has 64 divisors (see below), whose sum is σ = 343037971938816. Its totient is φ = 31762141200000.

The previous prime is 131020140032413. The next prime is 131020140032437. The reversal of 131020140032430 is 34230041020131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131020140032430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131020140032437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32017680 + ... + 35877180.

It is an arithmetic number, because the mean of its divisors is an integer number (5359968311544).

Almost surely, 2^{131020140032430} is an apocalyptic number.

131020140032430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131020140032430 is an abundant number, since it is smaller than the sum of its proper divisors (212017831906386).

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

131020140032430 is a wasteful number, since it uses less digits than its factorization.

131020140032430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962393.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 131020140032430 its reverse (34230041020131), we get a palindrome (165250181052561).

The spelling of 131020140032430 in words is "one hundred thirty-one trillion, twenty billion, one hundred forty million, thirty-two thousand, four hundred thirty".