312123331003 has 16 divisors (see below), whose sum is σ = 362114202240. Its totient is φ = 266043052800.

The previous prime is 312123330989. The next prime is 312123331043. The reversal of 312123331003 is 300133321213.

It is a cyclic number.

It is not a de Polignac number, because 312123331003 - 2⁵ = 312123330971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312123331043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7677733 + ... + 7718278.

It is an arithmetic number, because the mean of its divisors is an integer number (22632137640).

Almost surely, 2^312123331003 is an apocalyptic number.

312123331003 is a deficient number, since it is larger than the sum of its proper divisors (49990871237).

312123331003 is a wasteful number, since it uses less digits than its factorization.

312123331003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15396138.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 312123331003 its reverse (300133321213), we get a palindrome (612256652216).

The spelling of 312123331003 in words is "three hundred twelve billion, one hundred twenty-three million, three hundred thirty-one thousand, three".