402321341221315 has 16 divisors (see below), whose sum is σ = 484624939189248. Its totient is φ = 320630871562336.

The previous prime is 402321341221297. The next prime is 402321341221339. The reversal of 402321341221315 is 513122143123204.

It is a cyclic number.

It is not a de Polignac number, because 402321341221315 - 2⁹ = 402321341220803 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185344554 + ... + 187502656.

It is an arithmetic number, because the mean of its divisors is an integer number (30289058699328).

Almost surely, 2^{402321341221315} is an apocalyptic number.

402321341221315 is a deficient number, since it is larger than the sum of its proper divisors (82303597967933).

402321341221315 is a wasteful number, since it uses less digits than its factorization.

402321341221315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300138.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 402321341221315 its reverse (513122143123204), we get a palindrome (915443484344519).

The spelling of 402321341221315 in words is "four hundred two trillion, three hundred twenty-one billion, three hundred forty-one million, two hundred twenty-one thousand, three hundred fifteen".