401020443121313 has 16 divisors (see below), whose sum is σ = 411164805385152. Its totient is φ = 390893451168000.

The previous prime is 401020443121301. The next prime is 401020443121343. The reversal of 401020443121313 is 313121344020104.

It is a cyclic number.

It is not a de Polignac number, because 401020443121313 - 2⁸ = 401020443121057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401020443121343) 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, 486712373 + ... + 487535613.

It is an arithmetic number, because the mean of its divisors is an integer number (25697800336572).

Almost surely, 2^{401020443121313} is an apocalyptic number.

It is an amenable number.

401020443121313 is a deficient number, since it is larger than the sum of its proper divisors (10144362263839).

401020443121313 is a wasteful number, since it uses less digits than its factorization.

401020443121313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833776.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 401020443121313 its reverse (313121344020104), we get a palindrome (714141787141417).

The spelling of 401020443121313 in words is "four hundred one trillion, twenty billion, four hundred forty-three million, one hundred twenty-one thousand, three hundred thirteen".