313201031240421 has 24 divisors (see below), whose sum is σ = 458544776473056. Its totient is φ = 205972936028640.

The previous prime is 313201031240417. The next prime is 313201031240431. The reversal of 313201031240421 is 124042130102313.

313201031240421 is a `hidden beast` number, since 3 + 1 + 3 + 201 + 0 + 31 + 2 + 4 + 0 + 421 = 666.

It is not a de Polignac number, because 313201031240421 - 2² = 313201031240417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313201031240431) 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, 316660915 + ... + 317648448.

It is an arithmetic number, because the mean of its divisors is an integer number (19106032353044).

Almost surely, 2^{313201031240421} is an apocalyptic number.

It is an amenable number.

313201031240421 is a deficient number, since it is larger than the sum of its proper divisors (145343745232635).

313201031240421 is a wasteful number, since it uses less digits than its factorization.

313201031240421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634310113 (or 634310110 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 313201031240421 its reverse (124042130102313), we get a palindrome (437243161342734).

The spelling of 313201031240421 in words is "three hundred thirteen trillion, two hundred one billion, thirty-one million, two hundred forty thousand, four hundred twenty-one".