1313121230311 has 8 divisors (see below), whose sum is σ = 1453876424064. Its totient is φ = 1175929459320.

The previous prime is 1313121230299. The next prime is 1313121230329. The reversal of 1313121230311 is 1130321213131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1313121230311 - 2⁹ = 1313121229799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313121233311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890854915 + ... + 890856388.

It is an arithmetic number, because the mean of its divisors is an integer number (181734553008).

Almost surely, 2^{1313121230311} is an apocalyptic number.

1313121230311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1313121230311 is a deficient number, since it is larger than the sum of its proper divisors (140755193753).

1313121230311 is a wasteful number, since it uses less digits than its factorization.

1313121230311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781711381.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1313121230311 its reverse (1130321213131), we get a palindrome (2443442443442).

The spelling of 1313121230311 in words is "one trillion, three hundred thirteen billion, one hundred twenty-one million, two hundred thirty thousand, three hundred eleven".