2051131342 has 32 divisors (see below), whose sum is σ = 3375792000. Its totient is φ = 928901088.

The previous prime is 2051131333. The next prime is 2051131361. The reversal of 2051131342 is 2431311502.

It is a happy number.

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, 1206409 + ... + 1208107.

It is an arithmetic number, because the mean of its divisors is an integer number (105493500).

Almost surely, 2^2051131342 is an apocalyptic number.

2051131342 is a deficient number, since it is larger than the sum of its proper divisors (1324660658).

2051131342 is a wasteful number, since it uses less digits than its factorization.

2051131342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2051131342 is about 45289.4175497985. The cubic root of 2051131342 is about 1270.5677379778.

Adding to 2051131342 its reverse (2431311502), we get a palindrome (4482442844).

The spelling of 2051131342 in words is "two billion, fifty-one million, one hundred thirty-one thousand, three hundred forty-two".