315104464250221 has 16 divisors (see below), whose sum is σ = 319596775872768. Its totient is φ = 310616925465600.

The previous prime is 315104464250041. The next prime is 315104464250237. The reversal of 315104464250221 is 122052464401513.

It is a cyclic number.

It is not a de Polignac number, because 315104464250221 - 2¹¹ = 315104464248173 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 (315104464250621) 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, 2447405970 + ... + 2447534716.

It is an arithmetic number, because the mean of its divisors is an integer number (19974798492048).

Almost surely, 2^{315104464250221} is an apocalyptic number.

It is an amenable number.

315104464250221 is a deficient number, since it is larger than the sum of its proper divisors (4492311622547).

315104464250221 is a wasteful number, since it uses less digits than its factorization.

315104464250221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147012.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 315104464250221 in words is "three hundred fifteen trillion, one hundred four billion, four hundred sixty-four million, two hundred fifty thousand, two hundred twenty-one".