312313231332403 has 24 divisors (see below), whose sum is σ = 374106642601200. Its totient is φ = 259774764475968.

The previous prime is 312313231332383. The next prime is 312313231332491. The reversal of 312313231332403 is 304233132313213.

It is a happy number.

It is not a de Polignac number, because 312313231332403 - 2⁹ = 312313231331891 is a prime.

It is a super-3 number, since 3×312313231332403³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312313231332203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226573068 + ... + 227947321.

It is an arithmetic number, because the mean of its divisors is an integer number (15587776775050).

Almost surely, 2^{312313231332403} is an apocalyptic number.

312313231332403 is a deficient number, since it is larger than the sum of its proper divisors (61793411268797).

312313231332403 is a wasteful number, since it uses less digits than its factorization.

312313231332403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454520819 (or 454520812 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 34.

Adding to 312313231332403 its reverse (304233132313213), we get a palindrome (616546363645616).

The spelling of 312313231332403 in words is "three hundred twelve trillion, three hundred thirteen billion, two hundred thirty-one million, three hundred thirty-two thousand, four hundred three".