1013401344243 has 64 divisors (see below), whose sum is σ = 1462212034560. Its totient is φ = 622021151232.

The previous prime is 1013401344239. The next prime is 1013401344247. The reversal of 1013401344243 is 3424431043101.

It is an interprime number because it is at equal distance from previous prime (1013401344239) and next prime (1013401344247).

It is not a de Polignac number, because 1013401344243 - 2² = 1013401344239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1013401344243.

It is not an unprimeable number, because it can be changed into a prime (1013401344247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 227882046 + ... + 227886492.

It is an arithmetic number, because the mean of its divisors is an integer number (22847063040).

Almost surely, 2^{1013401344243} is an apocalyptic number.

1013401344243 is a deficient number, since it is larger than the sum of its proper divisors (448810690317).

1013401344243 is a wasteful number, since it uses less digits than its factorization.

1013401344243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1013401344243 its reverse (3424431043101), we get a palindrome (4437832387344).

The spelling of 1013401344243 in words is "one trillion, thirteen billion, four hundred one million, three hundred forty-four thousand, two hundred forty-three".