312323121011 has 8 divisors (see below), whose sum is σ = 343900396224. Its totient is φ = 281276556520.

The previous prime is 312323120953. The next prime is 312323121017. The reversal of 312323121011 is 110121323213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312323121011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312323121017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132676445 + ... + 132678798.

It is an arithmetic number, because the mean of its divisors is an integer number (42987549528).

Almost surely, 2^312323121011 is an apocalyptic number.

312323121011 is a deficient number, since it is larger than the sum of its proper divisors (31577275213).

312323121011 is a wasteful number, since it uses less digits than its factorization.

312323121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265355361.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 312323121011 its reverse (110121323213), we get a palindrome (422444444224).

It can be divided in two parts, 312323 and 121011, that added together give a palindrome (433334).

The spelling of 312323121011 in words is "three hundred twelve billion, three hundred twenty-three million, one hundred twenty-one thousand, eleven".