1985233312 has 12 divisors (see below), whose sum is σ = 3908428146. Its totient is φ = 992616640.

The previous prime is 1985233303. The next prime is 1985233337. The reversal of 1985233312 is 2133325891.

It can be written as a sum of positive squares in only one way, i.e., 1247784976 + 737448336 = 35324^2 + 27156^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31019239 + ... + 31019302.

Almost surely, 2^1985233312 is an apocalyptic number.

It is an amenable number.

1985233312 is a deficient number, since it is larger than the sum of its proper divisors (1923194834).

1985233312 is an equidigital number, since it uses as much as digits as its factorization.

1985233312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62038551 (or 62038543 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 1985233312 is about 44555.9570876892. The cubic root of 1985233312 is about 1256.8125768127.

The spelling of 1985233312 in words is "one billion, nine hundred eighty-five million, two hundred thirty-three thousand, three hundred twelve".