1013344321401 has 40 divisors (see below), whose sum is σ = 1537014878784. Its totient is φ = 665209208160.

The previous prime is 1013344321373. The next prime is 1013344321403. The reversal of 1013344321401 is 1041234433101.

1013344321401 is a `hidden beast` number, since 1 + 0 + 1 + 3 + 3 + 443 + 214 + 0 + 1 = 666.

It is not a de Polignac number, because 1013344321401 - 2²¹ = 1013342224249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1013344321403) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4473006 + ... + 4694088.

Almost surely, 2^{1013344321401} is an apocalyptic number.

It is an amenable number.

1013344321401 is a deficient number, since it is larger than the sum of its proper divisors (523670557383).

1013344321401 is an equidigital number, since it uses as much as digits as its factorization.

1013344321401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221963 (or 221954 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1013344321401 its reverse (1041234433101), we get a palindrome (2054578754502).

The spelling of 1013344321401 in words is "one trillion, thirteen billion, three hundred forty-four million, three hundred twenty-one thousand, four hundred one".