2113231349 has 2 divisors, whose sum is σ = 2113231350. Its totient is φ = 2113231348.

The previous prime is 2113231333. The next prime is 2113231361. The reversal of 2113231349 is 9431323112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1367668324 + 745563025 = 36982^2 + 27305^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113231349 - 2⁴ = 2113231333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113231399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056615674 + 1056615675.

It is an arithmetic number, because the mean of its divisors is an integer number (1056615675).

Almost surely, 2^2113231349 is an apocalyptic number.

It is an amenable number.

2113231349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113231349 is an equidigital number, since it uses as much as digits as its factorization.

2113231349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 29.

The square root of 2113231349 is about 45969.8961169155. The cubic root of 2113231349 is about 1283.2630266238.

The spelling of 2113231349 in words is "two billion, one hundred thirteen million, two hundred thirty-one thousand, three hundred forty-nine".