313034513421 has 16 divisors (see below), whose sum is σ = 485089804800. Its totient is φ = 175845052848.

The previous prime is 313034513383. The next prime is 313034513431. The reversal of 313034513421 is 124315430313.

It is a happy number.

It is not a de Polignac number, because 313034513421 - 2¹⁰ = 313034512397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313034513431) 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, 126324231 + ... + 126326708.

It is an arithmetic number, because the mean of its divisors is an integer number (30318112800).

Almost surely, 2^313034513421 is an apocalyptic number.

It is an amenable number.

313034513421 is a deficient number, since it is larger than the sum of its proper divisors (172055291379).

313034513421 is a wasteful number, since it uses less digits than its factorization.

313034513421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252651008.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 313034513421 its reverse (124315430313), we get a palindrome (437349943734).

The spelling of 313034513421 in words is "three hundred thirteen billion, thirty-four million, five hundred thirteen thousand, four hundred twenty-one".