32130312 has 32 divisors (see below), whose sum is σ = 80520000. Its totient is φ = 10684224.

The previous prime is 32130277. The next prime is 32130337. The reversal of 32130312 is 21303123.

It is a junction number, because it is equal to n+sod(n) for n = 32130291 and 32130300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10314 + ... + 13062.

It is an arithmetic number, because the mean of its divisors is an integer number (2516250).

Almost surely, 2^32130312 is an apocalyptic number.

It is an amenable number.

32130312 is an abundant number, since it is smaller than the sum of its proper divisors (48389688).

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

32130312 is a wasteful number, since it uses less digits than its factorization.

32130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245 (or 3241 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 32130312 is about 5668.3606095590. The cubic root of 32130312 is about 317.9105796597.

Adding to 32130312 its reverse (21303123), we get a palindrome (53433435).

It can be divided in two parts, 3 and 2130312, that multiplied together give a palindrome (6390936).

The spelling of 32130312 in words is "thirty-two million, one hundred thirty thousand, three hundred twelve".