1213031331113 has 8 divisors (see below), whose sum is σ = 1394066335680. Its totient is φ = 1033932530160.

The previous prime is 1213031331097. The next prime is 1213031331199. The reversal of 1213031331113 is 3111331303121.

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

It is a cyclic number.

It is not a de Polignac number, because 1213031331113 - 2⁴ = 1213031331097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213031831113) 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, 484049558 + ... + 484052063.

It is an arithmetic number, because the mean of its divisors is an integer number (174258291960).

Almost surely, 2^{1213031331113} is an apocalyptic number.

It is an amenable number.

1213031331113 is a deficient number, since it is larger than the sum of its proper divisors (181035004567).

1213031331113 is an equidigital number, since it uses as much as digits as its factorization.

1213031331113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968101807.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 1213031331113 its reverse (3111331303121), we get a palindrome (4324362634234).

The spelling of 1213031331113 in words is "one trillion, two hundred thirteen billion, thirty-one million, three hundred thirty-one thousand, one hundred thirteen".