211311442413 has 32 divisors (see below), whose sum is σ = 320430633600. Its totient is φ = 137556776448.

The previous prime is 211311442373. The next prime is 211311442423. The reversal of 211311442413 is 314244113112.

It is a happy number.

211311442413 is a `hidden beast` number, since 2 + 113 + 114 + 424 + 13 = 666.

It is not a de Polignac number, because 211311442413 - 2²⁶ = 211244333549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211311442423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4104093 + ... + 4155261.

It is an arithmetic number, because the mean of its divisors is an integer number (10013457300).

Almost surely, 2^211311442413 is an apocalyptic number.

It is an amenable number.

211311442413 is a deficient number, since it is larger than the sum of its proper divisors (109119191187).

211311442413 is a wasteful number, since it uses less digits than its factorization.

211311442413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54778 (or 54772 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 211311442413 its reverse (314244113112), we get a palindrome (525555555525).

The spelling of 211311442413 in words is "two hundred eleven billion, three hundred eleven million, four hundred forty-two thousand, four hundred thirteen".