1313121031413 has 16 divisors (see below), whose sum is σ = 1766471521536. Its totient is φ = 867593592320.

The previous prime is 1313121031333. The next prime is 1313121031441. The reversal of 1313121031413 is 3141301213131.

It is a cyclic number.

It is not a de Polignac number, because 1313121031413 - 2²⁴ = 1313104254197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313121031483) 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, 4005556 + ... + 4320962.

It is an arithmetic number, because the mean of its divisors is an integer number (110404470096).

Almost surely, 2^{1313121031413} is an apocalyptic number.

It is an amenable number.

1313121031413 is a deficient number, since it is larger than the sum of its proper divisors (453350490123).

1313121031413 is a wasteful number, since it uses less digits than its factorization.

1313121031413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327804.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 1313121031413 its reverse (3141301213131), we get a palindrome (4454422244544).

The spelling of 1313121031413 in words is "one trillion, three hundred thirteen billion, one hundred twenty-one million, thirty-one thousand, four hundred thirteen".