32131201230 has 128 divisors (see below), whose sum is σ = 87738992640. Its totient is φ = 8365109760.

The previous prime is 32131201199. The next prime is 32131201231. The reversal of 32131201230 is 3210213123.

32131201230 is a `hidden beast` number, since 321 + 312 + 0 + 1 + 2 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32131201231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1966374 + ... + 1982646.

It is an arithmetic number, because the mean of its divisors is an integer number (685460880).

Almost surely, 2^32131201230 is an apocalyptic number.

32131201230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 32131201230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43869496320).

32131201230 is an abundant number, since it is smaller than the sum of its proper divisors (55607791410).

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

32131201230 is a wasteful number, since it uses less digits than its factorization.

32131201230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16463 (or 16457 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 32131201230 its reverse (3210213123), we get a palindrome (35341414353).

The spelling of 32131201230 in words is "thirty-two billion, one hundred thirty-one million, two hundred one thousand, two hundred thirty".