2113441531349 has 2 divisors, whose sum is σ = 2113441531350. Its totient is φ = 2113441531348.

The previous prime is 2113441531303. The next prime is 2113441531367. The reversal of 2113441531349 is 9431351443112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2096538931249 + 16902600100 = 1447943^2 + 130010^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113441531349 - 2⁸ = 2113441531093 is a prime.

It is a super-2 number, since 2×2113441531349² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113441531849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056720765674 + 1056720765675.

It is an arithmetic number, because the mean of its divisors is an integer number (1056720765675).

Almost surely, 2^{2113441531349} is an apocalyptic number.

It is an amenable number.

2113441531349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113441531349 is an equidigital number, since it uses as much as digits as its factorization.

2113441531349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The spelling of 2113441531349 in words is "two trillion, one hundred thirteen billion, four hundred forty-one million, five hundred thirty-one thousand, three hundred forty-nine".