1401532315313 has 4 divisors (see below), whose sum is σ = 1509342493428. Its totient is φ = 1293722137200.

The previous prime is 1401532315301. The next prime is 1401532315321. The reversal of 1401532315313 is 3135132351041.

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 313384996864 + 1088147318449 = 559808^2 + 1043143^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401532315313 - 2²² = 1401528121009 is a prime.

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 1401532315313.

It is not an unprimeable number, because it can be changed into a prime (1401532315343) 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, 53905089038 + ... + 53905089063.

It is an arithmetic number, because the mean of its divisors is an integer number (377335623357).

Almost surely, 2^{1401532315313} is an apocalyptic number.

1401532315313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1401532315313 is a deficient number, since it is larger than the sum of its proper divisors (107810178115).

1401532315313 is a wasteful number, since it uses less digits than its factorization.

1401532315313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107810178114.

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 1401532315313 its reverse (3135132351041), we get a palindrome (4536664666354).

The spelling of 1401532315313 in words is "one trillion, four hundred one billion, five hundred thirty-two million, three hundred fifteen thousand, three hundred thirteen".