130231020000 has 240 divisors, whose sum is σ = 431124558480. Its totient is φ = 34407936000.

The previous prime is 130231019999. The next prime is 130231020001. The reversal of 130231020000 is 20132031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (130231019999) and next prime (130231020001).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130231020001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6530044 + ... + 6549956.

It is an arithmetic number, because the mean of its divisors is an integer number (1796352327).

Almost surely, 2^130231020000 is an apocalyptic number.

130231020000 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 130231020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215562279240).

130231020000 is an abundant number, since it is smaller than the sum of its proper divisors (300893538480).

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

130231020000 is a wasteful number, since it uses less digits than its factorization.

130231020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20055 (or 20032 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 130231020000 its reverse (20132031), we get a palindrome (130251152031).

The spelling of 130231020000 in words is "one hundred thirty billion, two hundred thirty-one million, twenty thousand".