313442523403 has 16 divisors (see below), whose sum is σ = 321231493440. Its totient is φ = 305749180800.

The previous prime is 313442523367. The next prime is 313442523479. The reversal of 313442523403 is 304325244313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313442523403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313442523703) 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, 3695353 + ... + 3779221.

It is an arithmetic number, because the mean of its divisors is an integer number (20076968340).

Almost surely, 2^313442523403 is an apocalyptic number.

313442523403 is a deficient number, since it is larger than the sum of its proper divisors (7788970037).

313442523403 is a wasteful number, since it uses less digits than its factorization.

313442523403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84438.

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 313442523403 its reverse (304325244313), we get a palindrome (617767767716).

The spelling of 313442523403 in words is "three hundred thirteen billion, four hundred forty-two million, five hundred twenty-three thousand, four hundred three".