312323011 has 72 divisors (see below), whose sum is σ = 450397584. Its totient is φ = 212808960.

The previous prime is 312322999. The next prime is 312323021. The reversal of 312323011 is 110323213.

It is a de Polignac number, because none of the positive numbers 2^k-312323011 is a prime.

It is a super-2 number, since 2×312323011² = 195091326400212242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312323021) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5892861 + ... + 5892913.

It is an arithmetic number, because the mean of its divisors is an integer number (6255522).

Almost surely, 2^312323011 is an apocalyptic number.

312323011 is a deficient number, since it is larger than the sum of its proper divisors (138074573).

312323011 is a wasteful number, since it uses less digits than its factorization.

312323011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 113 counting only the distinct ones).

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

The square root of 312323011 is about 17672.6628157728. The cubic root of 312323011 is about 678.4762674058.

Adding to 312323011 its reverse (110323213), we get a palindrome (422646224).

It can be divided in two parts, 31232 and 3011, that added together give a palindrome (34243).

The spelling of 312323011 in words is "three hundred twelve million, three hundred twenty-three thousand, eleven".