3720343311 has 32 divisors (see below), whose sum is σ = 5830110720. Its totient is φ = 2339865792.

The previous prime is 3720343307. The next prime is 3720343313. The reversal of 3720343311 is 1133430273.

3720343311 is a `hidden beast` number, since 3 + 7 + 2 + 0 + 343 + 311 = 666.

It is not a de Polignac number, because 3720343311 - 2² = 3720343307 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 (3720343313) 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, 4300 + ... + 86366.

It is an arithmetic number, because the mean of its divisors is an integer number (182190960).

Almost surely, 2^3720343311 is an apocalyptic number.

3720343311 is a deficient number, since it is larger than the sum of its proper divisors (2109767409).

3720343311 is a wasteful number, since it uses less digits than its factorization.

3720343311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82172 (or 82166 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 3720343311 is about 60994.6170657706. The cubic root of 3720343311 is about 1549.5098430715.

Adding to 3720343311 its reverse (1133430273), we get a palindrome (4853773584).

The spelling of 3720343311 in words is "three billion, seven hundred twenty million, three hundred forty-three thousand, three hundred eleven".