131230000000 has 256 divisors, whose sum is σ = 356799867840. Its totient is φ = 47680000000.

The previous prime is 131229999991. The next prime is 131230000003. The reversal of 131230000000 is 32131.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131230000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109999404 + ... + 110000596.

Almost surely, 2^131230000000 is an apocalyptic number.

131230000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131230000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178399933920).

131230000000 is an abundant number, since it is smaller than the sum of its proper divisors (225569867840).

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

131230000000 is an frugal number, since it uses more digits than its factorization.

131230000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 131230000000 its reverse (32131), we get a palindrome (131230032131).

The spelling of 131230000000 in words is "one hundred thirty-one billion, two hundred thirty million", and thus it is an aban number.