312011332 has 12 divisors (see below), whose sum is σ = 546186256. Its totient is φ = 155958120.

The previous prime is 312011317. The next prime is 312011339. The reversal of 312011332 is 233110213.

It is not an unprimeable number, because it can be changed into a prime (312011339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5803 + ... + 25645.

Almost surely, 2^312011332 is an apocalyptic number.

It is an amenable number.

312011332 is a deficient number, since it is larger than the sum of its proper divisors (234174924).

312011332 is a wasteful number, since it uses less digits than its factorization.

312011332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23778 (or 23776 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 312011332 is about 17663.8425038268. The cubic root of 312011332 is about 678.2504998727.

Adding to 312011332 its reverse (233110213), we get a palindrome (545121545).

The spelling of 312011332 in words is "three hundred twelve million, eleven thousand, three hundred thirty-two".