2051162031 has 8 divisors (see below), whose sum is σ = 2735100160. Its totient is φ = 1367332632.

The previous prime is 2051162021. The next prime is 2051162033. The reversal of 2051162031 is 1302611502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2051162031 - 2⁵ = 2051161999 is a prime.

It is a super-2 number, since 2×2051162031² = 8414531354832089922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2051161989 and 2051162007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051162033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41976 + ... + 76578.

It is an arithmetic number, because the mean of its divisors is an integer number (341887520).

Almost surely, 2^2051162031 is an apocalyptic number.

2051162031 is a deficient number, since it is larger than the sum of its proper divisors (683938129).

2051162031 is a wasteful number, since it uses less digits than its factorization.

2051162031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54365.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2051162031 is about 45289.7563583643. The cubic root of 2051162031 is about 1270.5740746855.

Adding to 2051162031 its reverse (1302611502), we get a palindrome (3353773533).

The spelling of 2051162031 in words is "two billion, fifty-one million, one hundred sixty-two thousand, thirty-one".