313505406421 has 8 divisors (see below), whose sum is σ = 314544099200. Its totient is φ = 312466950432.

The previous prime is 313505406419. The next prime is 313505406491. The reversal of 313505406421 is 124604505313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313505406421 - 2¹ = 313505406419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313505406491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2824846 + ... + 2933728.

It is an arithmetic number, because the mean of its divisors is an integer number (39318012400).

Almost surely, 2^313505406421 is an apocalyptic number.

It is an amenable number.

313505406421 is a deficient number, since it is larger than the sum of its proper divisors (1038692779).

313505406421 is a wasteful number, since it uses less digits than its factorization.

313505406421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118395.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 313505406421 in words is "three hundred thirteen billion, five hundred five million, four hundred six thousand, four hundred twenty-one".