2013401044331 has 4 divisors (see below), whose sum is σ = 2013408297600. Its totient is φ = 2013393791064.

The previous prime is 2013401044283. The next prime is 2013401044349. The reversal of 2013401044331 is 1334401043102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2013401044331 - 2²⁶ = 2013333935467 is a prime.

It is a super-2 number, since 2×2013401044331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2013401044331.

It is not an unprimeable number, because it can be changed into a prime (2013401044531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3192971 + ... + 3771188.

It is an arithmetic number, because the mean of its divisors is an integer number (503352074400).

Almost surely, 2^{2013401044331} is an apocalyptic number.

2013401044331 is a deficient number, since it is larger than the sum of its proper divisors (7253269).

2013401044331 is an equidigital number, since it uses as much as digits as its factorization.

2013401044331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7253268.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 2013401044331 its reverse (1334401043102), we get a palindrome (3347802087433).

The spelling of 2013401044331 in words is "two trillion, thirteen billion, four hundred one million, forty-four thousand, three hundred thirty-one".