2120311134 has 32 divisors (see below), whose sum is σ = 4776356640. Its totient is φ = 697087296.

The previous prime is 2120311129. The next prime is 2120311177. The reversal of 2120311134 is 4311130212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264997 + ... + 272880.

It is an arithmetic number, because the mean of its divisors is an integer number (149261145).

Almost surely, 2^2120311134 is an apocalyptic number.

2120311134 is an abundant number, since it is smaller than the sum of its proper divisors (2656045506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120311134 is a wasteful number, since it uses less digits than its factorization.

2120311134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537961 (or 537955 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2120311134 is about 46046.8363082634. The cubic root of 2120311134 is about 1284.6944993846.

Adding to 2120311134 its reverse (4311130212), we get a palindrome (6431441346).

The spelling of 2120311134 in words is "two billion, one hundred twenty million, three hundred eleven thousand, one hundred thirty-four".