1401143131313 has 4 divisors (see below), whose sum is σ = 1401223448100. Its totient is φ = 1401062814528.

The previous prime is 1401143131303. The next prime is 1401143131331. The reversal of 1401143131313 is 3131313411041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1394045405809 + 7097725504 = 1180697^2 + 84248^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401143131313 - 2⁸ = 1401143131057 is a prime.

It is a super-2 number, since 2×1401143131313² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1401143131303) 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, 40132220 + ... + 40167117.

It is an arithmetic number, because the mean of its divisors is an integer number (350305862025).

Almost surely, 2^{1401143131313} is an apocalyptic number.

It is an amenable number.

1401143131313 is a deficient number, since it is larger than the sum of its proper divisors (80316787).

1401143131313 is an equidigital number, since it uses as much as digits as its factorization.

1401143131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80316786.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 1401143131313 its reverse (3131313411041), we get a palindrome (4532456542354).

The spelling of 1401143131313 in words is "one trillion, four hundred one billion, one hundred forty-three million, one hundred thirty-one thousand, three hundred thirteen".