313665250421 has 8 divisors (see below), whose sum is σ = 315284729760. Its totient is φ = 312046046928.

The previous prime is 313665250399. The next prime is 313665250453. The reversal of 313665250421 is 124052566313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313665250421 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 (313665250121) 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, 2447090 + ... + 2572076.

It is an arithmetic number, because the mean of its divisors is an integer number (39410591220).

Almost surely, 2^313665250421 is an apocalyptic number.

It is an amenable number.

313665250421 is a deficient number, since it is larger than the sum of its proper divisors (1619479339).

313665250421 is a wasteful number, since it uses less digits than its factorization.

313665250421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137923.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 313665250421 in words is "three hundred thirteen billion, six hundred sixty-five million, two hundred fifty thousand, four hundred twenty-one".