1313402043541 has 16 divisors (see below), whose sum is σ = 1516583931520. Its totient is φ = 1114109614080.

The previous prime is 1313402043533. The next prime is 1313402043661. The reversal of 1313402043541 is 1453402043131.

It is a cyclic number.

It is not a de Polignac number, because 1313402043541 - 2³ = 1313402043533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313402043511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17726350 + ... + 17800288.

It is an arithmetic number, because the mean of its divisors is an integer number (94786495720).

Almost surely, 2^{1313402043541} is an apocalyptic number.

It is an amenable number.

1313402043541 is a deficient number, since it is larger than the sum of its proper divisors (203181887979).

1313402043541 is an equidigital number, since it uses as much as digits as its factorization.

1313402043541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100204.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 1313402043541 its reverse (1453402043131), we get a palindrome (2766804086672).

The spelling of 1313402043541 in words is "one trillion, three hundred thirteen billion, four hundred two million, forty-three thousand, five hundred forty-one".