312211110032 has 20 divisors (see below), whose sum is σ = 604918850796. Its totient is φ = 156103019520.

The previous prime is 312211110023. The next prime is 312211110073. The reversal of 312211110032 is 230011112213.

It can be written as a sum of positive squares in 2 ways, for example, as 128533722256 + 183677387776 = 358516^2 + 428576^2 .

It is a super-2 number, since 2×312211110032² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1221608 + ... + 1454904.

Almost surely, 2^312211110032 is an apocalyptic number.

It is an amenable number.

312211110032 is a deficient number, since it is larger than the sum of its proper divisors (292707740764).

312211110032 is a wasteful number, since it uses less digits than its factorization.

312211110032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316946 (or 316940 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 312211110032 its reverse (230011112213), we get a palindrome (542222222245).

The spelling of 312211110032 in words is "three hundred twelve billion, two hundred eleven million, one hundred ten thousand, thirty-two".