32130312210 has 24 divisors (see below), whose sum is σ = 83538811980. Its totient is φ = 8568083232.

The previous prime is 32130312167. The next prime is 32130312223. The reversal of 32130312210 is 1221303123.

32130312210 is a `hidden beast` number, since 321 + 30 + 312 + 2 + 1 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26138158929 + 5992153281 = 161673^2 + 77409^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178501645 + ... + 178501824.

Almost surely, 2^32130312210 is an apocalyptic number.

32130312210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32130312210 is an abundant number, since it is smaller than the sum of its proper divisors (51408499770).

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

32130312210 is a wasteful number, since it uses less digits than its factorization.

32130312210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357003482 (or 357003479 counting only the distinct ones).

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

Adding to 32130312210 its reverse (1221303123), we get a palindrome (33351615333).

The spelling of 32130312210 in words is "thirty-two billion, one hundred thirty million, three hundred twelve thousand, two hundred ten".