131021434230 has 64 divisors (see below), whose sum is σ = 340032660480. Its totient is φ = 32184149504.

The previous prime is 131021434211. The next prime is 131021434237. The reversal of 131021434230 is 32434120131.

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 131021434230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131021434237) 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, 2709060 + ... + 2756999.

It is an arithmetic number, because the mean of its divisors is an integer number (5313010320).

Almost surely, 2^131021434230 is an apocalyptic number.

131021434230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131021434230 is an abundant number, since it is smaller than the sum of its proper divisors (209011226250).

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

131021434230 is a wasteful number, since it uses less digits than its factorization.

131021434230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466133.

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

Adding to 131021434230 its reverse (32434120131), we get a palindrome (163455554361).

The spelling of 131021434230 in words is "one hundred thirty-one billion, twenty-one million, four hundred thirty-four thousand, two hundred thirty".